20156094 has 32 divisors (see below), whose sum is σ = 51191040. Its totient is φ = 5758776.

The previous prime is 20156077. The next prime is 20156099. The reversal of 20156094 is 49065102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20156099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26284 + ... + 27039.

It is an arithmetic number, because the mean of its divisors is an integer number (1599720).

Almost surely, 2^20156094 is an apocalyptic number.

20156094 is an abundant number, since it is smaller than the sum of its proper divisors (31034946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20156094 is a wasteful number, since it uses less digits than its factorization.

20156094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53341 (or 53335 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20156094 is about 4489.5538753867. The cubic root of 20156094 is about 272.1461062648.

The spelling of 20156094 in words is "twenty million, one hundred fifty-six thousand, ninety-four".