20132628 has 24 divisors (see below), whose sum is σ = 49449120. Its totient is φ = 6357600.

The previous prime is 20132617. The next prime is 20132639. The reversal of 20132628 is 82623102.

It is an interprime number because it is at equal distance from previous prime (20132617) and next prime (20132639).

It is a junction number, because it is equal to n+sod(n) for n = 20132598 and 20132607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43923 + ... + 44378.

It is an arithmetic number, because the mean of its divisors is an integer number (2060380).

Almost surely, 2^20132628 is an apocalyptic number.

It is an amenable number.

20132628 is an abundant number, since it is smaller than the sum of its proper divisors (29316492).

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

20132628 is a wasteful number, since it uses less digits than its factorization.

20132628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88327 (or 88325 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20132628 is about 4486.9397143265. The cubic root of 20132628 is about 272.0404531817.

The spelling of 20132628 in words is "twenty million, one hundred thirty-two thousand, six hundred twenty-eight".