20252594 has 16 divisors (see below), whose sum is σ = 32076000. Its totient is φ = 9563904.

The previous prime is 20252543. The next prime is 20252611. The reversal of 20252594 is 49525202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16469 + ... + 17655.

It is an arithmetic number, because the mean of its divisors is an integer number (2004750).

Almost surely, 2^20252594 is an apocalyptic number.

20252594 is a deficient number, since it is larger than the sum of its proper divisors (11823406).

20252594 is a wasteful number, since it uses less digits than its factorization.

20252594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 20252594 is about 4500.2882129926. The cubic root of 20252594 is about 272.5797269731.

Adding to 20252594 its reverse (49525202), we get a palindrome (69777796).

The spelling of 20252594 in words is "twenty million, two hundred fifty-two thousand, five hundred ninety-four".