20530403032 has 32 divisors (see below), whose sum is σ = 40534225200. Its totient is φ = 9721641600.

The previous prime is 20530402987. The next prime is 20530403087. The reversal of 20530403032 is 23030403502.

It is a junction number, because it is equal to n+sod(n) for n = 20530402994 and 20530403012.

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, 462282 + ... + 504742.

Almost surely, 2^20530403032 is an apocalyptic number.

It is an amenable number.

20530403032 is a deficient number, since it is larger than the sum of its proper divisors (20003822168).

20530403032 is a wasteful number, since it uses less digits than its factorization.

20530403032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45667 (or 45663 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

Adding to 20530403032 its reverse (23030403502), we get a palindrome (43560806534).

The spelling of 20530403032 in words is "twenty billion, five hundred thirty million, four hundred three thousand, thirty-two".