10202342042 has 16 divisors (see below), whose sum is σ = 15836121000. Its totient is φ = 4923744000.

The previous prime is 10202342023. The next prime is 10202342063. The reversal of 10202342042 is 24024320201.

It can be written as a sum of positive squares in 4 ways, for example, as 7211236561 + 2991105481 = 84919^2 + 54691^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174542 + ... + 225542.

Almost surely, 2^10202342042 is an apocalyptic number.

10202342042 is a deficient number, since it is larger than the sum of its proper divisors (5633778958).

10202342042 is a wasteful number, since it uses less digits than its factorization.

10202342042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54481.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10202342042 its reverse (24024320201), we get a palindrome (34226662243).

The spelling of 10202342042 in words is "ten billion, two hundred two million, three hundred forty-two thousand, forty-two".