16560122020 has 24 divisors (see below), whose sum is σ = 37451353464. Its totient is φ = 6114506496.

The previous prime is 16560122017. The next prime is 16560122021. The reversal of 16560122020 is 2022106561.

It can be written as a sum of positive squares in 4 ways, for example, as 84345856 + 16475776164 = 9184^2 + 128358^2 .

It is not an unprimeable number, because it can be changed into a prime (16560122021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31846129 + ... + 31846648.

It is an arithmetic number, because the mean of its divisors is an integer number (1560473061).

Almost surely, 2^16560122020 is an apocalyptic number.

16560122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16560122020 is an abundant number, since it is smaller than the sum of its proper divisors (20891231444).

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

16560122020 is a wasteful number, since it uses less digits than its factorization.

16560122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63692799 (or 63692797 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 16560122020 its reverse (2022106561), we get a palindrome (18582228581).

The spelling of 16560122020 in words is "sixteen billion, five hundred sixty million, one hundred twenty-two thousand, twenty".