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1020132420340 = 2251167227304883
BaseRepresentation
bin11101101100001001010…
…00010110101011110100
310121112010210010100021211
432312010220112223310
5113203212344422330
62100350430051204
7133462555334035
oct16660450265364
93545123110254
101020132420340
113636aa17a310
12145860349b04
13752762287b7
143753615ca8c
151b808e3cd2a
hexed84a16af4

1020132420340 has 96 divisors (see below), whose sum is σ = 2382368454144. Its totient is φ = 363809592960.

The previous prime is 1020132420331. The next prime is 1020132420371. The reversal of 1020132420340 is 430242310201.

1020132420340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 3193539 + ... + 3498421.

It is an arithmetic number, because the mean of its divisors is an integer number (24816338064).

Almost surely, 21020132420340 is an apocalyptic number.

1020132420340 is a gapful number since it is divisible by the number (10) 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 1020132420340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1191184227072).

1020132420340 is an abundant number, since it is smaller than the sum of its proper divisors (1362236033804).

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

1020132420340 is a wasteful number, since it uses less digits than its factorization.

1020132420340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305197 (or 305195 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1020132420340 its reverse (430242310201), we get a palindrome (1450374730541).

The spelling of 1020132420340 in words is "one trillion, twenty billion, one hundred thirty-two million, four hundred twenty thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 67 110 134 220 227 268 335 454 670 737 908 1135 1340 1474 2270 2497 2948 3685 4540 4994 7370 9988 12485 14740 15209 24970 30418 49940 60836 76045 152090 167299 304180 304883 334598 609766 669196 836495 1219532 1524415 1672990 3048830 3345980 3353713 6097660 6707426 13414852 16768565 20427161 33537130 40854322 67074260 69208441 81708644 102135805 138416882 204271610 224698771 276833764 346042205 408543220 449397542 692084410 761292851 898795084 1123493855 1384168820 1522585702 2246987710 3045171404 3806464255 4493975420 4636965547 7612928510 9273931094 15225857020 18547862188 23184827735 46369655470 51006621017 92739310940 102013242034 204026484068 255033105085 510066210170 1020132420340