201020100020202 has 16 divisors (see below), whose sum is σ = 406020796081632. Its totient is φ = 66343267333200.

The previous prime is 201020100020153. The next prime is 201020100020273. The reversal of 201020100020202 is 202020001020102.

It is a super-2 number, since 2×201020100020202² (a number of 29 digits) contains 22 as substring.

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, 165858167728 + ... + 165858168939.

It is an arithmetic number, because the mean of its divisors is an integer number (25376299755102).

Almost surely, 2^{201020100020202} is an apocalyptic number.

201020100020202 is an abundant number, since it is smaller than the sum of its proper divisors (205000696061430).

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

201020100020202 is a wasteful number, since it uses less digits than its factorization.

201020100020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331716336773.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201020100020202 its reverse (202020001020102), we get a palindrome (403040101040304).

The spelling of 201020100020202 in words is "two hundred one trillion, twenty billion, one hundred million, twenty thousand, two hundred two".