10042320402 has 24 divisors (see below), whose sum is σ = 21765908736. Its totient is φ = 3346278936.

The previous prime is 10042320391. The next prime is 10042320413. The reversal of 10042320402 is 20402324001.

It is an interprime number because it is at equal distance from previous prime (10042320391) and next prime (10042320413).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42618 + ... + 147989.

It is an arithmetic number, because the mean of its divisors is an integer number (906912864).

Almost surely, 2^10042320402 is an apocalyptic number.

10042320402 is an abundant number, since it is smaller than the sum of its proper divisors (11723588334).

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

10042320402 is a wasteful number, since it uses less digits than its factorization.

10042320402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193542 (or 193539 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 10042320402 its reverse (20402324001), we get a palindrome (30444644403).

The spelling of 10042320402 in words is "ten billion, forty-two million, three hundred twenty thousand, four hundred two".