20724235304 has 32 divisors (see below), whose sum is σ = 39299757120. Its totient is φ = 10244631936.

The previous prime is 20724235297. The next prime is 20724235309. The reversal of 20724235304 is 40353242702.

It is not an unprimeable number, because it can be changed into a prime (20724235309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488027 + ... + 528789.

It is an arithmetic number, because the mean of its divisors is an integer number (1228117410).

Almost surely, 2^20724235304 is an apocalyptic number.

It is an amenable number.

20724235304 is a deficient number, since it is larger than the sum of its proper divisors (18575521816).

20724235304 is a wasteful number, since it uses less digits than its factorization.

20724235304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41489 (or 41485 counting only the distinct ones).

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

The spelling of 20724235304 in words is "twenty billion, seven hundred twenty-four million, two hundred thirty-five thousand, three hundred four".