20252995 has 32 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 13115520.

The previous prime is 20252987. The next prime is 20253007. The reversal of 20252995 is 59925202.

It is not a de Polignac number, because 20252995 - 2³ = 20252987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20252995.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111805 + ... + 111985.

It is an arithmetic number, because the mean of its divisors is an integer number (917280).

Almost surely, 2^20252995 is an apocalyptic number.

20252995 is a deficient number, since it is larger than the sum of its proper divisors (9099965).

20252995 is a wasteful number, since it uses less digits than its factorization.

20252995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 20252995 is about 4500.3327654741. The cubic root of 20252995 is about 272.5815259813.

The spelling of 20252995 in words is "twenty million, two hundred fifty-two thousand, nine hundred ninety-five".