201220002011020 has 12 divisors (see below), whose sum is σ = 422562004223184. Its totient is φ = 80488000804400.

The previous prime is 201220002011011. The next prime is 201220002011071. The reversal of 201220002011020 is 20110200022102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5030500050256 + ... + 5030500050295.

It is an arithmetic number, because the mean of its divisors is an integer number (35213500351932).

Almost surely, 2^{201220002011020} is an apocalyptic number.

201220002011020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201220002011020 is an abundant number, since it is smaller than the sum of its proper divisors (221342002212164).

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

201220002011020 is a wasteful number, since it uses less digits than its factorization.

201220002011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061000100560 (or 10061000100558 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201220002011020 its reverse (20110200022102), we get a palindrome (221330202033122).

The spelling of 201220002011020 in words is "two hundred one trillion, two hundred twenty billion, two million, eleven thousand, twenty".