20074856432 has 10 divisors (see below), whose sum is σ = 38895034368. Its totient is φ = 10037428208.

The previous prime is 20074856381. The next prime is 20074856437. The reversal of 20074856432 is 23465847002.

It is a self number, because there is not a number n which added to its sum of digits gives 20074856432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20074856437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627339248 + ... + 627339279.

Almost surely, 2^20074856432 is an apocalyptic number.

It is an amenable number.

20074856432 is a deficient number, since it is larger than the sum of its proper divisors (18820177936).

20074856432 is a wasteful number, since it uses less digits than its factorization.

20074856432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254678535 (or 1254678529 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 20074856432 in words is "twenty billion, seventy-four million, eight hundred fifty-six thousand, four hundred thirty-two".