20632716 has 36 divisors (see below), whose sum is σ = 56168112. Its totient is φ = 6348384.

The previous prime is 20632709. The next prime is 20632751. The reversal of 20632716 is 61723602.

It is a happy number.

20632716 is a `hidden beast` number, since 20 + 632 + 7 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20632716.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21576 + ... + 22511.

Almost surely, 2^20632716 is an apocalyptic number.

20632716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20632716 is an abundant number, since it is smaller than the sum of its proper divisors (35535396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20632716 is a wasteful number, since it uses less digits than its factorization.

20632716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44110 (or 44105 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 20632716 is about 4542.3249553505. The cubic root of 20632716 is about 274.2745219577.

The spelling of 20632716 in words is "twenty million, six hundred thirty-two thousand, seven hundred sixteen".