202222111100020 has 24 divisors (see below), whose sum is σ = 463272472702368. Its totient is φ = 73535313127200.

The previous prime is 202222111100003. The next prime is 202222111100027. The reversal of 202222111100020 is 20001111222202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202222111099967 and 202222111100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202222111100027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459595706826 + ... + 459595707265.

It is an arithmetic number, because the mean of its divisors is an integer number (19303019695932).

Almost surely, 2^{202222111100020} is an apocalyptic number.

202222111100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202222111100020 is an abundant number, since it is smaller than the sum of its proper divisors (261050361602348).

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

202222111100020 is a wasteful number, since it uses less digits than its factorization.

202222111100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919191414111 (or 919191414109 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202222111100020 its reverse (20001111222202), we get a palindrome (222223222322222).

The spelling of 202222111100020 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred eleven million, one hundred thousand, twenty".