20530533532 has 12 divisors (see below), whose sum is σ = 35957487160. Its totient is φ = 10256965776.

The previous prime is 20530533523. The next prime is 20530533547. The reversal of 20530533532 is 23533503502.

It is a junction number, because it is equal to n+sod(n) for n = 20530533494 and 20530533503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069682 + ... + 2079577.

Almost surely, 2^20530533532 is an apocalyptic number.

It is an amenable number.

20530533532 is a deficient number, since it is larger than the sum of its proper divisors (15426953628).

20530533532 is a wasteful number, since it uses less digits than its factorization.

20530533532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150500 (or 4150498 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 31.

The spelling of 20530533532 in words is "twenty billion, five hundred thirty million, five hundred thirty-three thousand, five hundred thirty-two".