20252532 has 24 divisors (see below), whose sum is σ = 47700576. Its totient is φ = 6687328.

The previous prime is 20252521. The next prime is 20252539. The reversal of 20252532 is 23525202.

It is a super-2 number, since 2×20252532² = 820330104822048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20252499 and 20252508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252539) 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, 6603 + ... + 9170.

It is an arithmetic number, because the mean of its divisors is an integer number (1987524).

Almost surely, 2^20252532 is an apocalyptic number.

It is an amenable number.

20252532 is an abundant number, since it is smaller than the sum of its proper divisors (27448044).

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

20252532 is a wasteful number, since it uses less digits than its factorization.

20252532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15887 (or 15885 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20252532 is about 4500.2813245396. The cubic root of 20252532 is about 272.5794488201.

Adding to 20252532 its reverse (23525202), we get a palindrome (43777734).

The spelling of 20252532 in words is "twenty million, two hundred fifty-two thousand, five hundred thirty-two".