202220110020 has 24 divisors (see below), whose sum is σ = 566216308224. Its totient is φ = 53925362656.

The previous prime is 202220110009. The next prime is 202220110069. The reversal of 202220110020 is 20011022202.

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 = 202220109978 and 202220110005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685167524 + ... + 1685167643.

It is an arithmetic number, because the mean of its divisors is an integer number (23592346176).

Almost surely, 2^202220110020 is an apocalyptic number.

202220110020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220110020 is an abundant number, since it is smaller than the sum of its proper divisors (363996198204).

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

202220110020 is a wasteful number, since it uses less digits than its factorization.

202220110020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370335179 (or 3370335177 counting only the distinct ones).

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

Adding to 202220110020 its reverse (20011022202), we get a palindrome (222231132222).

The spelling of 202220110020 in words is "two hundred two billion, two hundred twenty million, one hundred ten thousand, twenty".