10202002113402 has 64 divisors (see below), whose sum is σ = 24736028469120. Its totient is φ = 3091028025600.

The previous prime is 10202002113337. The next prime is 10202002113449. The reversal of 10202002113402 is 20431120020201.

It is a happy number.

10202002113402 is a `hidden beast` number, since 10 + 20 + 20 + 0 + 211 + 3 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2421952 + ... + 5125412.

It is an arithmetic number, because the mean of its divisors is an integer number (386500444830).

Almost surely, 2^{10202002113402} is an apocalyptic number.

10202002113402 is an abundant number, since it is smaller than the sum of its proper divisors (14534026355718).

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

10202002113402 is a wasteful number, since it uses less digits than its factorization.

10202002113402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709836 (or 2709830 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 10202002113402 its reverse (20431120020201), we get a palindrome (30633122133603).

The spelling of 10202002113402 in words is "ten trillion, two hundred two billion, two million, one hundred thirteen thousand, four hundred two".