22011000000020 has 48 divisors (see below), whose sum is σ = 47006264850048. Its totient is φ = 8655748252800.

The previous prime is 22011000000019. The next prime is 22011000000089. The reversal of 22011000000020 is 2000000011022.

It is a junction number, because it is equal to n+sod(n) for n = 22010999999944 and 22011000000007.

It is a congruent number.

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, 15654131 + ... + 17002170.

It is an arithmetic number, because the mean of its divisors is an integer number (979297184376).

Almost surely, 2^{22011000000020} is an apocalyptic number.

22011000000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22011000000020 is an abundant number, since it is smaller than the sum of its proper divisors (24995264850028).

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

22011000000020 is a wasteful number, since it uses less digits than its factorization.

22011000000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32656880 (or 32656878 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 22011000000020 its reverse (2000000011022), we get a palindrome (24011000011042).

The spelling of 22011000000020 in words is "twenty-two trillion, eleven billion, twenty", and thus it is an aban number and an uban number.