20954232 has 96 divisors (see below), whose sum is σ = 62287680. Its totient is φ = 6324480.

The previous prime is 20954209. The next prime is 20954243. The reversal of 20954232 is 23245902.

It is a junction number, because it is equal to n+sod(n) for n = 20954196 and 20954205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56913 + ... + 57279.

It is an arithmetic number, because the mean of its divisors is an integer number (648830).

Almost surely, 2^20954232 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 20954232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31143840).

20954232 is an abundant number, since it is smaller than the sum of its proper divisors (41333448).

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

20954232 is a wasteful number, since it uses less digits than its factorization.

20954232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20954232 is about 4577.5792729345. The cubic root of 20954232 is about 275.6918425819.

The spelling of 20954232 in words is "twenty million, nine hundred fifty-four thousand, two hundred thirty-two".