20152632 has 16 divisors (see below), whose sum is σ = 50381640. Its totient is φ = 6717536.

The previous prime is 20152621. The next prime is 20152703. The reversal of 20152632 is 23625102.

It is a super-2 number, since 2×20152632² = 812257153054848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20152599 and 20152608.

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, 419823 + ... + 419870.

Almost surely, 2^20152632 is an apocalyptic number.

It is an amenable number.

20152632 is an abundant number, since it is smaller than the sum of its proper divisors (30229008).

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

20152632 is a wasteful number, since it uses less digits than its factorization.

20152632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839702 (or 839698 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20152632 is about 4489.1682971348. The cubic root of 20152632 is about 272.1305241491.

Adding to 20152632 its reverse (23625102), we get a palindrome (43777734).

The spelling of 20152632 in words is "twenty million, one hundred fifty-two thousand, six hundred thirty-two".