20763003504 has 40 divisors (see below), whose sum is σ = 54778993920. Its totient is φ = 6773745088.

The previous prime is 20763003493. The next prime is 20763003523. The reversal of 20763003504 is 40530036702.

It is a super-2 number, since 2×20763003504² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4599474 + ... + 4603985.

It is an arithmetic number, because the mean of its divisors is an integer number (1369474848).

Almost surely, 2^20763003504 is an apocalyptic number.

20763003504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20763003504 is an abundant number, since it is smaller than the sum of its proper divisors (34015990416).

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

20763003504 is a wasteful number, since it uses less digits than its factorization.

20763003504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203517 (or 9203511 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The spelling of 20763003504 in words is "twenty billion, seven hundred sixty-three million, three thousand, five hundred four".