202120212220000 has 120 divisors (see below), whose sum is σ = 502169273231472. Its totient is φ = 80047608000000.

The previous prime is 202120212219923. The next prime is 202120212220007. The reversal of 202120212220000 is 22212021202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120212220007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48009756 + ... + 52049755.

Almost surely, 2^{202120212220000} is an apocalyptic number.

202120212220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202120212220000 is an abundant number, since it is smaller than the sum of its proper divisors (300049061011472).

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

202120212220000 is a wasteful number, since it uses less digits than its factorization.

202120212220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100059642 (or 100059619 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202120212220000 its reverse (22212021202), we get a palindrome (202142424241202).

The spelling of 202120212220000 in words is "two hundred two trillion, one hundred twenty billion, two hundred twelve million, two hundred twenty thousand".