20239562 has 16 divisors (see below), whose sum is σ = 34758720. Its totient is φ = 8658528.

The previous prime is 20239553. The next prime is 20239591. The reversal of 20239562 is 26593202.

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, 10433 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (2172420).

Almost surely, 2^20239562 is an apocalyptic number.

20239562 is a deficient number, since it is larger than the sum of its proper divisors (14519158).

20239562 is a wasteful number, since it uses less digits than its factorization.

20239562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 20239562 is about 4498.8400727299. The cubic root of 20239562 is about 272.5212485184.

The spelling of 20239562 in words is "twenty million, two hundred thirty-nine thousand, five hundred sixty-two".