102205403402 has 32 divisors (see below), whose sum is σ = 163141102080. Its totient is φ = 47885266800.

The previous prime is 102205403381. The next prime is 102205403413. The reversal of 102205403402 is 204304502201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2611277 + ... + 2650127.

It is an arithmetic number, because the mean of its divisors is an integer number (5098159440).

Almost surely, 2^102205403402 is an apocalyptic number.

102205403402 is a deficient number, since it is larger than the sum of its proper divisors (60935698678).

102205403402 is a wasteful number, since it uses less digits than its factorization.

102205403402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39626.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 102205403402 its reverse (204304502201), we get a palindrome (306509905603).

The spelling of 102205403402 in words is "one hundred two billion, two hundred five million, four hundred three thousand, four hundred two".