22100202122020 has 48 divisors (see below), whose sum is σ = 50663602821888. Its totient is φ = 8031032552960.

The previous prime is 22100202121999. The next prime is 22100202122039. The reversal of 22100202122020 is 2022120200122.

It is a junction number, because it is equal to n+sod(n) for n = 22100202121985 and 22100202122003.

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, 33450757 + ... + 34105036.

It is an arithmetic number, because the mean of its divisors is an integer number (1055491725456).

Almost surely, 2^{22100202122020} is an apocalyptic number.

22100202122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100202122020 is an abundant number, since it is smaller than the sum of its proper divisors (28563400699868).

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

22100202122020 is a wasteful number, since it uses less digits than its factorization.

22100202122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67557300 (or 67557298 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22100202122020 its reverse (2022120200122), we get a palindrome (24122322322142).

It can be divided in two parts, 22100202 and 122020, that added together give a palindrome (22222222).

The spelling of 22100202122020 in words is "twenty-two trillion, one hundred billion, two hundred two million, one hundred twenty-two thousand, twenty".