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20098731052260 = 22335724739740709
BaseRepresentation
bin1001001000111100110011…
…01110011000110011100100
32122011102100010100121212000
410210132121232120303210
510113244200122133020
6110425121331125300
74143041202100200
oct444363156306344
978142303317760
1020098731052260
1164499077849a3
122307328443830
13b2a3c0c3b413
144d6ad8961b00
1524cc329b6090
hex124799b98ce4

20098731052260 has 576 divisors, whose sum is σ = 74474834918400. Its totient is φ = 4484815340544.

The previous prime is 20098731052259. The next prime is 20098731052289. The reversal of 20098731052260 is 6225013789002.

20098731052260 is a `hidden beast` number, since 2 + 0 + 0 + 98 + 7 + 31 + 0 + 522 + 6 + 0 = 666.

It is a super-2 number, since 2×200987310522602 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 493696786 + ... + 493737494.

It is an arithmetic number, because the mean of its divisors is an integer number (129296588400).

Almost surely, 220098731052260 is an apocalyptic number.

20098731052260 is a gapful number since it is divisible by the number (20) 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 20098731052260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37237417459200).

20098731052260 is an abundant number, since it is smaller than the sum of its proper divisors (54376103866140).

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

20098731052260 is a wasteful number, since it uses less digits than its factorization.

20098731052260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41185 (or 41170 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 20098731052260 in words is "twenty trillion, ninety-eight billion, seven hundred thirty-one million, fifty-two thousand, two hundred sixty".