202000011220 has 24 divisors (see below), whose sum is σ = 484800027264. Its totient is φ = 69257146656.

The previous prime is 202000011179. The next prime is 202000011277. The reversal of 202000011220 is 22110000202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 202000011197 and 202000011206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721428472 + ... + 721428751.

It is an arithmetic number, because the mean of its divisors is an integer number (20200001136).

Almost surely, 2^202000011220 is an apocalyptic number.

202000011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202000011220 is an abundant number, since it is smaller than the sum of its proper divisors (282800016044).

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

202000011220 is a wasteful number, since it uses less digits than its factorization.

202000011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442857239 (or 1442857237 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 202000011220 its reverse (22110000202), we get a palindrome (224110011422).

The spelling of 202000011220 in words is "two hundred two billion, eleven thousand, two hundred twenty".