20473732504 has 32 divisors (see below), whose sum is σ = 40993027200. Its totient is φ = 9565032960.

The previous prime is 20473732493. The next prime is 20473732537. The reversal of 20473732504 is 40523737402.

It is a super-2 number, since 2×20473732504² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416177 + ... + 1430560.

It is an arithmetic number, because the mean of its divisors is an integer number (1281032100).

Almost surely, 2^20473732504 is an apocalyptic number.

It is an amenable number.

20473732504 is an abundant number, since it is smaller than the sum of its proper divisors (20519294696).

20473732504 is a wasteful number, since it uses less digits than its factorization.

20473732504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846803 (or 2846799 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 37.

The spelling of 20473732504 in words is "twenty billion, four hundred seventy-three million, seven hundred thirty-two thousand, five hundred four".