22013022020 has 48 divisors (see below), whose sum is σ = 50499566208. Its totient is φ = 7993666560.

The previous prime is 22013021981. The next prime is 22013022023. The reversal of 22013022020 is 2022031022.

It is a junction number, because it is equal to n+sod(n) for n = 22013021986 and 22013022004.

It is not an unprimeable number, because it can be changed into a prime (22013022023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91124 + ... + 228756.

It is an arithmetic number, because the mean of its divisors is an integer number (1052074296).

Almost surely, 2^22013022020 is an apocalyptic number.

22013022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013022020 is an abundant number, since it is smaller than the sum of its proper divisors (28486544188).

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

22013022020 is a wasteful number, since it uses less digits than its factorization.

22013022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138380 (or 138378 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 22013022020 its reverse (2022031022), we get a palindrome (24035053042).

The spelling of 22013022020 in words is "twenty-two billion, thirteen million, twenty-two thousand, twenty".