10202000202 has 24 divisors (see below), whose sum is σ = 22226464260. Its totient is φ = 3381877440.

The previous prime is 10202000189. The next prime is 10202000231. The reversal of 10202000202 is 20200020201.

It can be written as a sum of positive squares in 2 ways, for example, as 9304338681 + 897661521 = 96459^2 + 29961^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1562427 + ... + 1568942.

Almost surely, 2^10202000202 is an apocalyptic number.

10202000202 is an abundant number, since it is smaller than the sum of its proper divisors (12024464058).

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

10202000202 is a wasteful number, since it uses less digits than its factorization.

10202000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131558 (or 3131555 counting only the distinct ones).

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

Adding to 10202000202 its reverse (20200020201), we get a palindrome (30402020403).

The spelling of 10202000202 in words is "ten billion, two hundred two million, two hundred two", and thus it is an aban number.