2202102331220 has 36 divisors (see below), whose sum is σ = 5083034560212. Its totient is φ = 800764483200.

The previous prime is 2202102331213. The next prime is 2202102331223. The reversal of 2202102331220 is 221332012022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 251845392964 + 1950256938256 = 501842^2 + 1396516^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2202102331192 and 2202102331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202102331223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454977401 + ... + 454982240.

Almost surely, 2^{2202102331220} is an apocalyptic number.

2202102331220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202102331220 is an abundant number, since it is smaller than the sum of its proper divisors (2880932228992).

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

2202102331220 is a wasteful number, since it uses less digits than its factorization.

2202102331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909959672 (or 909959659 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2202102331220 its reverse (221332012022), we get a palindrome (2423434343242).

The spelling of 2202102331220 in words is "two trillion, two hundred two billion, one hundred two million, three hundred thirty-one thousand, two hundred twenty".