20662893532 has 24 divisors (see below), whose sum is σ = 36796780160. Its totient is φ = 10150343280.

The previous prime is 20662893529. The next prime is 20662893539. The reversal of 20662893532 is 23539826602.

It is a super-2 number, since 2×20662893532² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20662893539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 203287.

Almost surely, 2^20662893532 is an apocalyptic number.

It is an amenable number.

20662893532 is a deficient number, since it is larger than the sum of its proper divisors (16133886628).

20662893532 is a wasteful number, since it uses less digits than its factorization.

20662893532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203881 (or 203879 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 20662893532 in words is "twenty billion, six hundred sixty-two million, eight hundred ninety-three thousand, five hundred thirty-two".