20054918 has 16 divisors (see below), whose sum is σ = 34102320. Its totient is φ = 8768736.

The previous prime is 20054897. The next prime is 20054927. The reversal of 20054918 is 81945002.

It is a Curzon number.

It is a congruent number.

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, 19805 + ... + 20792.

It is an arithmetic number, because the mean of its divisors is an integer number (2131395).

Almost surely, 2^20054918 is an apocalyptic number.

20054918 is a deficient number, since it is larger than the sum of its proper divisors (14047402).

20054918 is a wasteful number, since it uses less digits than its factorization.

20054918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40631.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 20054918 is about 4478.2717648664. The cubic root of 20054918 is about 271.6899852433.

The spelling of 20054918 in words is "twenty million, fifty-four thousand, nine hundred eighteen".