202102002 has 12 divisors (see below), whose sum is σ = 437887710. Its totient is φ = 67367328.

The previous prime is 202101979. The next prime is 202102003. The reversal of 202102002 is 200201202.

202102002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 138086001 + 64016001 = 11751^2 + 8001^2 .

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 (202102003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5613927 + ... + 5613962.

Almost surely, 2^202102002 is an apocalyptic number.

202102002 is an abundant number, since it is smaller than the sum of its proper divisors (235785708).

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

202102002 is a wasteful number, since it uses less digits than its factorization.

202102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11227897 (or 11227894 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 202102002 is about 14216.2583685019. The cubic root of 202102002 is about 586.8451754621.

Adding to 202102002 its reverse (200201202), we get a palindrome (402303204).

The spelling of 202102002 in words is "two hundred two million, one hundred two thousand, two".