102010402402 has 32 divisors (see below), whose sum is σ = 168308375040. Its totient is φ = 46160375040.

The previous prime is 102010402381. The next prime is 102010402409. The reversal of 102010402402 is 204204010201.

It is a super-2 number, since 2×102010402402² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102010402409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142752 + ... + 473707.

It is an arithmetic number, because the mean of its divisors is an integer number (5259636720).

Almost surely, 2^102010402402 is an apocalyptic number.

102010402402 is a deficient number, since it is larger than the sum of its proper divisors (66297972638).

102010402402 is a wasteful number, since it uses less digits than its factorization.

102010402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616666.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102010402402 its reverse (204204010201), we get a palindrome (306214412603).

The spelling of 102010402402 in words is "one hundred two billion, ten million, four hundred two thousand, four hundred two".