202112010020220 has 48 divisors (see below), whose sum is σ = 565938173915520. Its totient is φ = 53894198304576.

The previous prime is 202112010020209. The next prime is 202112010020269. The reversal of 202112010020220 is 22020010211202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202112010020220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71658082 + ... + 74425161.

It is an arithmetic number, because the mean of its divisors is an integer number (11790378623240).

Almost surely, 2^{202112010020220} is an apocalyptic number.

202112010020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202112010020220 is an abundant number, since it is smaller than the sum of its proper divisors (363826163895300).

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

202112010020220 is a wasteful number, since it uses less digits than its factorization.

202112010020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146106314 (or 146106312 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202112010020220 its reverse (22020010211202), we get a palindrome (224132020231422).

The spelling of 202112010020220 in words is "two hundred two trillion, one hundred twelve billion, ten million, twenty thousand, two hundred twenty".