2131020202 has 16 divisors (see below), whose sum is σ = 3366959040. Its totient is φ = 1008773568.

The previous prime is 2131020169. The next prime is 2131020211. The reversal of 2131020202 is 2020201312.

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, 43618 + ... + 78514.

It is an arithmetic number, because the mean of its divisors is an integer number (210434940).

Almost surely, 2^2131020202 is an apocalyptic number.

2131020202 is a deficient number, since it is larger than the sum of its proper divisors (1235938838).

2131020202 is a wasteful number, since it uses less digits than its factorization.

2131020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36525.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2131020202 is about 46162.9743625776. The cubic root of 2131020202 is about 1286.8537395971.

Adding to 2131020202 its reverse (2020201312), we get a palindrome (4151221514).

The spelling of 2131020202 in words is "two billion, one hundred thirty-one million, twenty thousand, two hundred two".