20432973404 has 48 divisors (see below), whose sum is σ = 40426138368. Its totient is φ = 8983527168.

The previous prime is 20432973389. The next prime is 20432973437. The reversal of 20432973404 is 40437923402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84662 + ... + 219165.

It is an arithmetic number, because the mean of its divisors is an integer number (842211216).

Almost surely, 2^20432973404 is an apocalyptic number.

It is an amenable number.

20432973404 is a deficient number, since it is larger than the sum of its proper divisors (19993164964).

20432973404 is a wasteful number, since it uses less digits than its factorization.

20432973404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303914 (or 303912 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 20432973404 in words is "twenty billion, four hundred thirty-two million, nine hundred seventy-three thousand, four hundred four".