20206372 has 12 divisors (see below), whose sum is σ = 35941276. Its totient is φ = 9937440.

The previous prime is 20206369. The next prime is 20206391. The reversal of 20206372 is 27360202.

It can be written as a sum of positive squares in 2 ways, for example, as 6471936 + 13734436 = 2544^2 + 3706^2 .

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, 41163 + ... + 41650.

Almost surely, 2^20206372 is an apocalyptic number.

It is an amenable number.

20206372 is a deficient number, since it is larger than the sum of its proper divisors (15734904).

20206372 is a wasteful number, since it uses less digits than its factorization.

20206372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82878 (or 82876 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20206372 is about 4495.1498306508. The cubic root of 20206372 is about 272.3722016680.

Adding to 20206372 its reverse (27360202), we get a palindrome (47566574).

The spelling of 20206372 in words is "twenty million, two hundred six thousand, three hundred seventy-two".