20744004360 has 64 divisors (see below), whose sum is σ = 62326399680. Its totient is φ = 5523344640.

The previous prime is 20744004353. The next prime is 20744004383. The reversal of 20744004360 is 6340044702.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 51442 + ... + 210081.

It is an arithmetic number, because the mean of its divisors is an integer number (973849995).

Almost surely, 2^20744004360 is an apocalyptic number.

20744004360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20744004360 is an abundant number, since it is smaller than the sum of its proper divisors (41582395320).

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

20744004360 is a wasteful number, since it uses less digits than its factorization.

20744004360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262198 (or 262194 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The spelling of 20744004360 in words is "twenty billion, seven hundred forty-four million, four thousand, three hundred sixty".