22013120 has 28 divisors (see below), whose sum is σ = 52419504. Its totient is φ = 8805120.

The previous prime is 22013081. The next prime is 22013137. The reversal of 22013120 is 2131022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34076 + ... + 34715.

Almost surely, 2^22013120 is an apocalyptic number.

22013120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013120 is an abundant number, since it is smaller than the sum of its proper divisors (30406384).

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

22013120 is an equidigital number, since it uses as much as digits as its factorization.

22013120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68808 (or 68798 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22013120 is about 4691.8141480668. The cubic root of 22013120 is about 280.2596231420.

Adding to 22013120 its reverse (2131022), we get a palindrome (24144142).

The spelling of 22013120 in words is "twenty-two million, thirteen thousand, one hundred twenty".