20741235504 has 80 divisors (see below), whose sum is σ = 60994024704. Its totient is φ = 6011948800.

The previous prime is 20741235491. The next prime is 20741235539. The reversal of 20741235504 is 40553214702.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841827 + ... + 866114.

Almost surely, 2^20741235504 is an apocalyptic number.

20741235504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20741235504 is an abundant number, since it is smaller than the sum of its proper divisors (40252789200).

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

20741235504 is a wasteful number, since it uses less digits than its factorization.

20741235504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707986 (or 1707980 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 20741235504 in words is "twenty billion, seven hundred forty-one million, two hundred thirty-five thousand, five hundred four".