202200020220 has 96 divisors (see below), whose sum is σ = 619462561536. Its totient is φ = 48872678400.

The previous prime is 202200020201. The next prime is 202200020237. The reversal of 202200020220 is 22020002202.

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 = 202200020196 and 202200020205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232126 + ... + 676965.

It is an arithmetic number, because the mean of its divisors is an integer number (6452735016).

Almost surely, 2^202200020220 is an apocalyptic number.

202200020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202200020220 is an abundant number, since it is smaller than the sum of its proper divisors (417262541316).

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

202200020220 is a wasteful number, since it uses less digits than its factorization.

202200020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909451 (or 909449 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 202200020220 its reverse (22020002202), we get a palindrome (224220022422).

It can be divided in two parts, 2022000 and 20220, that multiplied together give a square (40884840000 = 202200²).

The spelling of 202200020220 in words is "two hundred two billion, two hundred million, twenty thousand, two hundred twenty".