20325472 has 24 divisors (see below), whose sum is σ = 42370776. Its totient is φ = 9564672.

The previous prime is 20325451. The next prime is 20325493. The reversal of 20325472 is 27452302.

It is an interprime number because it is at equal distance from previous prime (20325451) and next prime (20325493).

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, 18138 + ... + 19225.

It is an arithmetic number, because the mean of its divisors is an integer number (1765449).

Almost surely, 2^20325472 is an apocalyptic number.

It is an amenable number.

20325472 is an abundant number, since it is smaller than the sum of its proper divisors (22045304).

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

20325472 is a wasteful number, since it uses less digits than its factorization.

20325472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37390 (or 37382 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 20325472 is about 4508.3779788301. The cubic root of 20325472 is about 272.9062906556.

Adding to 20325472 its reverse (27452302), we get a palindrome (47777774).

The spelling of 20325472 in words is "twenty million, three hundred twenty-five thousand, four hundred seventy-two".