102000000202 has 12 divisors (see below), whose sum is σ = 154738441206. Its totient is φ = 50426958560.

The previous prime is 102000000169. The next prime is 102000000227. The reversal of 102000000202 is 202000000201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 30807621441 + 71192378761 = 175521^2 + 266819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3203449 + ... + 3235132.

Almost surely, 2^102000000202 is an apocalyptic number.

102000000202 is a deficient number, since it is larger than the sum of its proper divisors (52738441004).

102000000202 is an frugal number, since it uses more digits than its factorization.

102000000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438761 (or 6438672 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 102000000202 its reverse (202000000201), we get a palindrome (304000000403).

Subtracting 102000000202 from its reverse (202000000201), we obtain a palindrome (99999999999).

The spelling of 102000000202 in words is "one hundred two billion, two hundred two", and thus it is an aban number.