22051012160 has 28 divisors (see below), whose sum is σ = 52508973468. Its totient is φ = 8820404736.

The previous prime is 22051012133. The next prime is 22051012169. The reversal of 22051012160 is 6121015022.

It can be written as a sum of positive squares in 2 ways, for example, as 3321447424 + 18729564736 = 57632^2 + 136856^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (22051012169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34454387 + ... + 34455026.

It is an arithmetic number, because the mean of its divisors is an integer number (1875320481).

Almost surely, 2^22051012160 is an apocalyptic number.

22051012160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22051012160 is an abundant number, since it is smaller than the sum of its proper divisors (30457961308).

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

22051012160 is an equidigital number, since it uses as much as digits as its factorization.

22051012160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68909430 (or 68909420 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 22051012160 its reverse (6121015022), we get a palindrome (28172027182).

The spelling of 22051012160 in words is "twenty-two billion, fifty-one million, twelve thousand, one hundred sixty".