20264741904 has 80 divisors (see below), whose sum is σ = 57260977920. Its totient is φ = 6124567680.

The previous prime is 20264741879. The next prime is 20264741923. The reversal of 20264741904 is 40914746202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149479 + ... + 250745.

It is an arithmetic number, because the mean of its divisors is an integer number (715762224).

Almost surely, 2^20264741904 is an apocalyptic number.

20264741904 is a gapful number since it is divisible by the number (24) 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 20264741904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28630488960).

20264741904 is an abundant number, since it is smaller than the sum of its proper divisors (36996236016).

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

20264741904 is a wasteful number, since it uses less digits than its factorization.

20264741904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101668 (or 101662 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 20264741904 in words is "twenty billion, two hundred sixty-four million, seven hundred forty-one thousand, nine hundred four".