201001010202 has 24 divisors (see below), whose sum is σ = 436588244820. Its totient is φ = 66833251200.

The previous prime is 201001010191. The next prime is 201001010209. The reversal of 201001010202 is 202010100102.

It can be written as a sum of positive squares in 2 ways, for example, as 200686976361 + 314033841 = 447981^2 + 17721^2 .

It is a super-2 number, since 2×201001010202² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (201001010209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13916377 + ... + 13930812.

Almost surely, 2^201001010202 is an apocalyptic number.

201001010202 is an abundant number, since it is smaller than the sum of its proper divisors (235587234618).

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

201001010202 is a wasteful number, since it uses less digits than its factorization.

201001010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27847598 (or 27847595 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 201001010202 its reverse (202010100102), we get a palindrome (403011110304).

The spelling of 201001010202 in words is "two hundred one billion, one million, ten thousand, two hundred two".