20662532 has 48 divisors (see below), whose sum is σ = 41217792. Its totient is φ = 8981280.

The previous prime is 20662517. The next prime is 20662547. The reversal of 20662532 is 23526602.

It is an interprime number because it is at equal distance from previous prime (20662517) and next prime (20662547).

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, 126683 + ... + 126845.

It is an arithmetic number, because the mean of its divisors is an integer number (858704).

Almost surely, 2^20662532 is an apocalyptic number.

20662532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20662532 is a deficient number, since it is larger than the sum of its proper divisors (20555260).

20662532 is a wasteful number, since it uses less digits than its factorization.

20662532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 20662532 is about 4545.6057902110. The cubic root of 20662532 is about 274.4065749090.

The spelling of 20662532 in words is "twenty million, six hundred sixty-two thousand, five hundred thirty-two".