20963232 has 96 divisors (see below), whose sum is σ = 64411200. Its totient is φ = 6614784.

The previous prime is 20963219. The next prime is 20963273. The reversal of 20963232 is 23236902.

20963232 is a `hidden beast` number, since 20 + 9 + 632 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 20963196 and 20963205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15778 + ... + 17054.

It is an arithmetic number, because the mean of its divisors is an integer number (670950).

Almost surely, 2^20963232 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 20963232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32205600).

20963232 is an abundant number, since it is smaller than the sum of its proper divisors (43447968).

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

20963232 is a wasteful number, since it uses less digits than its factorization.

20963232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1301 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 20963232 is about 4578.5622197367. The cubic root of 20963232 is about 275.7313075045.

The spelling of 20963232 in words is "twenty million, nine hundred sixty-three thousand, two hundred thirty-two".