201002100000220 has 48 divisors (see below), whose sum is σ = 440482044441600. Its totient is φ = 76900739294016.

The previous prime is 201002100000209. The next prime is 201002100000257. The reversal of 201002100000220 is 22000001200102.

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 = 201002100000197 and 201002100000206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4501620 + ... + 20549179.

It is an arithmetic number, because the mean of its divisors is an integer number (9176709259200).

Almost surely, 2^{201002100000220} is an apocalyptic number.

201002100000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201002100000220 is an abundant number, since it is smaller than the sum of its proper divisors (239479944441380).

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

201002100000220 is a wasteful number, since it uses less digits than its factorization.

201002100000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25068274 (or 25068272 counting only the distinct ones).

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

Adding to 201002100000220 its reverse (22000001200102), we get a palindrome (223002101200322).

The spelling of 201002100000220 in words is "two hundred one trillion, two billion, one hundred million, two hundred twenty", and thus it is an aban number.