20056234 has 24 divisors (see below), whose sum is σ = 33324480. Its totient is φ = 9045960.

The previous prime is 20056217. The next prime is 20056247. The reversal of 20056234 is 43265002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43087 + ... + 43549.

It is an arithmetic number, because the mean of its divisors is an integer number (1388520).

Almost surely, 2^20056234 is an apocalyptic number.

20056234 is a deficient number, since it is larger than the sum of its proper divisors (13268246).

20056234 is a wasteful number, since it uses less digits than its factorization.

20056234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20056234 is about 4478.4186941375. The cubic root of 20056234 is about 271.6959278622.

The spelling of 20056234 in words is "twenty million, fifty-six thousand, two hundred thirty-four".