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20422004104344 = 23323431251768737
BaseRepresentation
bin1001010010010110111100…
…10011001101110010011000
32200022022202120122012020010
410221023132103031302120
510134043231022314334
6111233423354401520
74205304204514413
oct451133623156230
980268676565203
1020422004104344
116563a17a09737
122359b07a302a0
13b51a2c58025b
1450860494cb7a
1525635341e0e9
hex1292de4cdc98

20422004104344 has 128 divisors (see below), whose sum is σ = 54518890314240. Its totient is φ = 6359335944192.

The previous prime is 20422004104303. The next prime is 20422004104399. The reversal of 20422004104344 is 44340140022402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297069144 + ... + 297137880.

It is an arithmetic number, because the mean of its divisors is an integer number (425928830580).

Almost surely, 220422004104344 is an apocalyptic number.

20422004104344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20422004104344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27259445157120).

20422004104344 is an abundant number, since it is smaller than the sum of its proper divisors (34096886209896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20422004104344 is a wasteful number, since it uses less digits than its factorization.

20422004104344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81329 (or 81325 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20422004104344 its reverse (44340140022402), we get a palindrome (64762144126746).

The spelling of 20422004104344 in words is "twenty trillion, four hundred twenty-two billion, four million, one hundred four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 23 24 43 46 69 86 92 129 138 172 184 258 276 344 516 552 989 1032 1978 2967 3956 5934 7912 11868 12517 23736 25034 37551 50068 68737 75102 100136 137474 150204 206211 274948 287891 300408 412422 538231 549896 575782 824844 863673 1076462 1151564 1580951 1614693 1649688 1727346 2152924 2303128 2955691 3161902 3229386 3454692 4305848 4742853 5911382 6323804 6458772 6909384 8867073 9485706 11822764 12379313 12647608 12917544 17734146 18971412 23645528 24758626 35468292 37137939 37942824 49517252 67980893 70936584 74275878 99034504 135961786 148551756 203942679 271923572 297103512 407885358 543847144 815770716 860381029 1631541432 1720762058 2581143087 3441524116 5162286174 6883048232 10324572348 19788763667 20649144696 36996384247 39577527334 59366291001 73992768494 79155054668 110989152741 118732582002 147985536988 158310109336 221978305482 237465164004 295971073976 443956610964 474930328008 850916837681 887913221928 1701833675362 2552750513043 3403667350724 5105501026086 6807334701448 10211002052172 20422004104344