20112954 has 16 divisors (see below), whose sum is σ = 40534560. Its totient is φ = 6652880.

The previous prime is 20112947. The next prime is 20112959. The reversal of 20112954 is 45921102.

It is a super-2 number, since 2×20112954² = 809061837212232, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20112959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12009 + ... + 13580.

It is an arithmetic number, because the mean of its divisors is an integer number (2533410).

Almost surely, 2^20112954 is an apocalyptic number.

20112954 is an abundant number, since it is smaller than the sum of its proper divisors (20421606).

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

20112954 is a wasteful number, since it uses less digits than its factorization.

20112954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25725.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 20112954 is about 4484.7468155962. The cubic root of 20112954 is about 271.9518098739.

The spelling of 20112954 in words is "twenty million, one hundred twelve thousand, nine hundred fifty-four".