20954112 has 88 divisors (see below), whose sum is σ = 58953600. Its totient is φ = 6598656.

The previous prime is 20954107. The next prime is 20954113. The reversal of 20954112 is 21145902.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20954113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58189 + ... + 58547.

Almost surely, 2^20954112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20954112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29476800).

20954112 is an abundant number, since it is smaller than the sum of its proper divisors (37999488).

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

20954112 is a wasteful number, since it uses less digits than its factorization.

20954112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 383 counting only the distinct ones).

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

The square root of 20954112 is about 4577.5661655513. The cubic root of 20954112 is about 275.6913163066.

The spelling of 20954112 in words is "twenty million, nine hundred fifty-four thousand, one hundred twelve".