22200202002020 has 36 divisors (see below), whose sum is σ = 54231922035900. Its totient is φ = 7611497828928.

The previous prime is 22200202002019. The next prime is 22200202002049. The reversal of 22200202002020 is 2020020200222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5074774431076 + 17125427570944 = 2252726^2 + 4138288^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 22200202001986 and 22200202002004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11326632695 + ... + 11326634654.

It is an arithmetic number, because the mean of its divisors is an integer number (1506442278775).

Almost surely, 2^{22200202002020} is an apocalyptic number.

22200202002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200202002020 is an abundant number, since it is smaller than the sum of its proper divisors (32031720033880).

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

22200202002020 is a wasteful number, since it uses less digits than its factorization.

22200202002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22653267372 (or 22653267363 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22200202002020 its reverse (2020020200222), we get a palindrome (24220222202242).

The spelling of 22200202002020 in words is "twenty-two trillion, two hundred billion, two hundred two million, two thousand, twenty".