202221200011020 has 48 divisors (see below), whose sum is σ = 566239774141440. Its totient is φ = 53923709135296.

The previous prime is 202221200010979. The next prime is 202221200011021. The reversal of 202221200011020 is 20110002122202.

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

It is not an unprimeable number, because it can be changed into a prime (202221200011021) 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, 59077830 + ... + 62406989.

It is an arithmetic number, because the mean of its divisors is an integer number (11796661961280).

Almost surely, 2^{202221200011020} is an apocalyptic number.

202221200011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202221200011020 is an abundant number, since it is smaller than the sum of its proper divisors (364018574130420).

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

202221200011020 is a wasteful number, since it uses less digits than its factorization.

202221200011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121512574 (or 121512572 counting only the distinct ones).

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

Adding to 202221200011020 its reverse (20110002122202), we get a palindrome (222331202133222).

The spelling of 202221200011020 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred million, eleven thousand, twenty".