20325672 has 48 divisors (see below), whose sum is σ = 55366740. Its totient is φ = 6736128.

The previous prime is 20325653. The next prime is 20325707. The reversal of 20325672 is 27652302.

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 4691556 = 3954^2 + 2166^2 .

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, 13468 + ... + 14900.

Almost surely, 2^20325672 is an apocalyptic number.

It is an amenable number.

20325672 is an abundant number, since it is smaller than the sum of its proper divisors (35041068).

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

20325672 is a wasteful number, since it uses less digits than its factorization.

20325672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 20325672 is about 4508.4001597019. The cubic root of 20325672 is about 272.9071857735.

Adding to 20325672 its reverse (27652302), we get a palindrome (47977974).

The spelling of 20325672 in words is "twenty million, three hundred twenty-five thousand, six hundred seventy-two".