902021202002 has 16 divisors (see below), whose sum is σ = 1467563909112. Its totient is φ = 414127380480.

The previous prime is 902021201947. The next prime is 902021202007. The reversal of 902021202002 is 200202120209.

It can be written as a sum of positive squares in 4 ways, for example, as 343069089841 + 558952112161 = 585721^2 + 747631^2 .

It is a super-2 number, since 2×902021202002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (902021202007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323535623 + ... + 323538410.

Almost surely, 2^902021202002 is an apocalyptic number.

902021202002 is a deficient number, since it is larger than the sum of its proper divisors (565542707110).

902021202002 is a wasteful number, since it uses less digits than its factorization.

902021202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647074093.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 902021202002 in words is "nine hundred two billion, twenty-one million, two hundred two thousand, two".