20322960 has 80 divisors (see below), whose sum is σ = 72007296. Its totient is φ = 4644864.

The previous prime is 20322919. The next prime is 20322971. The reversal of 20322960 is 6922302.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a self number, because there is not a number n which added to its sum of digits gives 20322960.

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, 4369 + ... + 7728.

Almost surely, 2^20322960 is an apocalyptic number.

20322960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322960 is an abundant number, since it is smaller than the sum of its proper divisors (51684336).

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

20322960 is a wasteful number, since it uses less digits than its factorization.

20322960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120 (or 12114 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20322960 is about 4508.0993777866. The cubic root of 20322960 is about 272.8950474752.

The spelling of 20322960 in words is "twenty million, three hundred twenty-two thousand, nine hundred sixty".