20207152 has 40 divisors (see below), whose sum is σ = 47380896. Its totient is φ = 8150016.

The previous prime is 20207149. The next prime is 20207153. The reversal of 20207152 is 25170202.

It is a super-2 number, since 2×20207152² = 816657983902208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20207153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403 + ... + 7210.

Almost surely, 2^20207152 is an apocalyptic number.

It is an amenable number.

20207152 is an abundant number, since it is smaller than the sum of its proper divisors (27173744).

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

20207152 is a wasteful number, since it uses less digits than its factorization.

20207152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10645 (or 10639 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20207152 is about 4495.2365899917. The cubic root of 20207152 is about 272.3757062982.

Adding to 20207152 its reverse (25170202), we get a palindrome (45377354).

The spelling of 20207152 in words is "twenty million, two hundred seven thousand, one hundred fifty-two".