202012102220 has 12 divisors (see below), whose sum is σ = 424225414704. Its totient is φ = 80804840880.

The previous prime is 202012102169. The next prime is 202012102273. The reversal of 202012102220 is 22201210202.

It is a junction number, because it is equal to n+sod(n) for n = 202012102195 and 202012102204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050302536 + ... + 5050302575.

It is an arithmetic number, because the mean of its divisors is an integer number (35352117892).

Almost surely, 2^202012102220 is an apocalyptic number.

202012102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202012102220 is an abundant number, since it is smaller than the sum of its proper divisors (222213312484).

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

202012102220 is a wasteful number, since it uses less digits than its factorization.

202012102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100605120 (or 10100605118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202012102220 its reverse (22201210202), we get a palindrome (224213312422).

The spelling of 202012102220 in words is "two hundred two billion, twelve million, one hundred two thousand, two hundred twenty".