20007952 has 10 divisors (see below), whose sum is σ = 38765438. Its totient is φ = 10003968.

The previous prime is 20007919. The next prime is 20007971. The reversal of 20007952 is 25970002.

It can be written as a sum of positive squares in only one way, i.e., 19927296 + 80656 = 4464^2 + 284^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625233 + ... + 625264.

Almost surely, 2^20007952 is an apocalyptic number.

It is an amenable number.

20007952 is a deficient number, since it is larger than the sum of its proper divisors (18757486).

20007952 is a wasteful number, since it uses less digits than its factorization.

20007952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250505 (or 1250499 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 20007952 is about 4473.0249272724. The cubic root of 20007952 is about 271.4777319741.

Adding to 20007952 its reverse (25970002), we get a palindrome (45977954).

The spelling of 20007952 in words is "twenty million, seven thousand, nine hundred fifty-two".