202220122100020 has 24 divisors (see below), whose sum is σ = 443125832776704. Its totient is φ = 77371177151136.

The previous prime is 202220122099993. The next prime is 202220122100021. The reversal of 202220122100020 is 20001221022202.

202220122100020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 202220122099967 and 202220122100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220122100021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219804480084 + ... + 219804481003.

It is an arithmetic number, because the mean of its divisors is an integer number (18463576365696).

Almost surely, 2^{202220122100020} is an apocalyptic number.

202220122100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220122100020 is an abundant number, since it is smaller than the sum of its proper divisors (240905710676684).

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

202220122100020 is a wasteful number, since it uses less digits than its factorization.

202220122100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439608961119 (or 439608961117 counting only the distinct ones).

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

Adding to 202220122100020 its reverse (20001221022202), we get a palindrome (222221343122222).

The spelling of 202220122100020 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty-two million, one hundred thousand, twenty".