20200372 has 24 divisors (see below), whose sum is σ = 37202760. Its totient is φ = 9584640.

The previous prime is 20200343. The next prime is 20200387. The reversal of 20200372 is 27300202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1572516 + 18627856 = 1254^2 + 4316^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4404 + ... + 7732.

It is an arithmetic number, because the mean of its divisors is an integer number (1550115).

Almost surely, 2^20200372 is an apocalyptic number.

It is an amenable number.

20200372 is a deficient number, since it is larger than the sum of its proper divisors (17002388).

20200372 is a wasteful number, since it uses less digits than its factorization.

20200372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 20200372 is about 4494.4823951151. The cubic root of 20200372 is about 272.3452399586.

Adding to 20200372 its reverse (27300202), we get a palindrome (47500574).

The spelling of 20200372 in words is "twenty million, two hundred thousand, three hundred seventy-two".