20252312 has 32 divisors (see below), whose sum is σ = 39275280. Its totient is φ = 9784320.

The previous prime is 20252311. The next prime is 20252341. The reversal of 20252312 is 21325202.

It is a super-2 number, since 2×20252312² = 820312282690688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252311) 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, 38612 + ... + 39132.

Almost surely, 2^20252312 is an apocalyptic number.

It is an amenable number.

20252312 is a deficient number, since it is larger than the sum of its proper divisors (19022968).

20252312 is a wasteful number, since it uses less digits than its factorization.

20252312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20252312 is about 4500.2568815569. The cubic root of 20252312 is about 272.5784618210.

Adding to 20252312 its reverse (21325202), we get a palindrome (41577514).

The spelling of 20252312 in words is "twenty million, two hundred fifty-two thousand, three hundred twelve".