22000010020 has 24 divisors (see below), whose sum is σ = 47274441984. Its totient is φ = 8595352416.

The previous prime is 22000010009. The next prime is 22000010089. The reversal of 22000010020 is 2001000022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22000009985 and 22000010012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12789844 + ... + 12791563.

It is an arithmetic number, because the mean of its divisors is an integer number (1969768416).

Almost surely, 2^22000010020 is an apocalyptic number.

22000010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000010020 is an abundant number, since it is smaller than the sum of its proper divisors (25274431964).

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

22000010020 is a wasteful number, since it uses less digits than its factorization.

22000010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25581459 (or 25581457 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 22000010020 its reverse (2001000022), we get a palindrome (24001010042).

The spelling of 22000010020 in words is "twenty-two billion, ten thousand, twenty".