20540734304 has 24 divisors (see below), whose sum is σ = 40442765328. Its totient is φ = 10269555840.

The previous prime is 20540734231. The next prime is 20540734321. The reversal of 20540734304 is 40343704502.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767354 + ... + 793670.

It is an arithmetic number, because the mean of its divisors is an integer number (1685115222).

Almost surely, 2^20540734304 is an apocalyptic number.

It is an amenable number.

20540734304 is a deficient number, since it is larger than the sum of its proper divisors (19902031024).

20540734304 is a wasteful number, since it uses less digits than its factorization.

20540734304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50718 (or 50710 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

The spelling of 20540734304 in words is "twenty billion, five hundred forty million, seven hundred thirty-four thousand, three hundred four".