22000010022020 has 48 divisors (see below), whose sum is σ = 47455541022960. Its totient is φ = 8560926226944.

The previous prime is 22000010021971. The next prime is 22000010022031. The reversal of 22000010022020 is 2022001000022.

It can be written as a sum of positive squares in 8 ways, for example, as 5434605338176 + 16565404683844 = 2331224^2 + 4070062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22000010021992 and 22000010022010.

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, 2969546 + ... + 7267614.

It is an arithmetic number, because the mean of its divisors is an integer number (988657104645).

Almost surely, 2^{22000010022020} is an apocalyptic number.

22000010022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000010022020 is an abundant number, since it is smaller than the sum of its proper divisors (25455531000940).

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

22000010022020 is a wasteful number, since it uses less digits than its factorization.

22000010022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305032 (or 4305030 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22000010022020 its reverse (2022001000022), we get a palindrome (24022011022042).

The spelling of 22000010022020 in words is "twenty-two trillion, ten million, twenty-two thousand, twenty".