22100201200020 has 48 divisors (see below), whose sum is σ = 61890283381248. Its totient is φ = 5892461270400.

The previous prime is 22100201200019. The next prime is 22100201200057. The reversal of 22100201200020 is 2000210200122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22100201199969 and 22100201200005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28543431 + ... + 29307470.

It is an arithmetic number, because the mean of its divisors is an integer number (1289380903776).

Almost surely, 2^{22100201200020} is an apocalyptic number.

22100201200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100201200020 is an abundant number, since it is smaller than the sum of its proper divisors (39790082181228).

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

22100201200020 is a wasteful number, since it uses less digits than its factorization.

22100201200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57857280 (or 57857278 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22100201200020 its reverse (2000210200122), we get a palindrome (24100411400142).

The spelling of 22100201200020 in words is "twenty-two trillion, one hundred billion, two hundred one million, two hundred thousand, twenty".