202220111020 has 24 divisors (see below), whose sum is σ = 443125809504. Its totient is φ = 77371172736.

The previous prime is 202220110993. The next prime is 202220111021. The reversal of 202220111020 is 20111022202.

It is a happy number.

202220111020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202220111020² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202220111021) 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, 219804009 + ... + 219804928.

It is an arithmetic number, because the mean of its divisors is an integer number (18463575396).

Almost surely, 2^202220111020 is an apocalyptic number.

202220111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220111020 is an abundant number, since it is smaller than the sum of its proper divisors (240905698484).

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

202220111020 is a wasteful number, since it uses less digits than its factorization.

202220111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439608969 (or 439608967 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202220111020 its reverse (20111022202), we get a palindrome (222331133222).

The spelling of 202220111020 in words is "two hundred two billion, two hundred twenty million, one hundred eleven thousand, twenty".