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20000122102220 = 225131910339306871
BaseRepresentation
bin1001000110000101001000…
…01011000110000111001100
32121210222210220012221102012
410203002210023012013030
510110140222224232340
6110311532415120352
74132650445620011
oct443024413060714
977728726187365
1020000122102220
116411005585267
1222b01a85130b8
13b21007695780
144d2022563708
1524a3b0954565
hex1230a42c61cc

20000122102220 has 96 divisors (see below), whose sum is σ = 48073876730880. Its totient is φ = 6928071678720.

The previous prime is 20000122102127. The next prime is 20000122102241. The reversal of 20000122102220 is 2220122100002.

It is a junction number, because it is equal to n+sod(n) for n = 20000122102195 and 20000122102204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19144616 + ... + 20162255.

It is an arithmetic number, because the mean of its divisors is an integer number (500769549280).

Almost surely, 220000122102220 is an apocalyptic number.

20000122102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000122102220 is an abundant number, since it is smaller than the sum of its proper divisors (28073754628660).

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

20000122102220 is a wasteful number, since it uses less digits than its factorization.

20000122102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39307015 (or 39307013 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20000122102220 its reverse (2220122100002), we get a palindrome (22220244202222).

The spelling of 20000122102220 in words is "twenty trillion, one hundred twenty-two million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 103 130 190 206 247 260 380 412 494 515 988 1030 1235 1339 1957 2060 2470 2678 3914 4940 5356 6695 7828 9785 13390 19570 25441 26780 39140 50882 101764 127205 254410 508820 39306871 78613742 157227484 196534355 393068710 510989323 746830549 786137420 1021978646 1493661098 2043957292 2554946615 2987322196 3734152745 4048607713 5109893230 7468305490 8097215426 9708797137 10219786460 14936610980 16194430852 19417594274 20243038565 38835188548 40486077130 48543985685 52631900269 76923546547 80972154260 97087971370 105263800538 153847093094 194175942740 210527601076 263159501345 307694186188 384617732735 526319002690 769235465470 1000006105111 1052638005380 1538470930940 2000012210222 4000024420444 5000030525555 10000061051110 20000122102220