202220000102220 has 48 divisors (see below), whose sum is σ = 599522823835488. Its totient is φ = 50753254927360.

The previous prime is 202220000102213. The next prime is 202220000102221. The reversal of 202220000102220 is 22201000022202.

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 202220000102220.

It is not an unprimeable number, because it can be changed into a prime (202220000102221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99127450011 + ... + 99127452050.

It is an arithmetic number, because the mean of its divisors is an integer number (12490058829906).

Almost surely, 2^{202220000102220} is an apocalyptic number.

202220000102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202220000102220 is an abundant number, since it is smaller than the sum of its proper divisors (397302823733268).

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

202220000102220 is a wasteful number, since it uses less digits than its factorization.

202220000102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198254902090 (or 198254902088 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 202220000102220 its reverse (22201000022202), we get a palindrome (224421000124422).

The spelling of 202220000102220 in words is "two hundred two trillion, two hundred twenty billion, one hundred two thousand, two hundred twenty".