20204310242 has 4 divisors (see below), whose sum is σ = 30306465366. Its totient is φ = 10102155120.

The previous prime is 20204310167. The next prime is 20204310271. The reversal of 20204310242 is 24201340202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18246336241 + 1957974001 = 135079^2 + 44249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051077559 + ... + 5051077562.

Almost surely, 2^20204310242 is an apocalyptic number.

20204310242 is a deficient number, since it is larger than the sum of its proper divisors (10102155124).

20204310242 is a wasteful number, since it uses less digits than its factorization.

20204310242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102155123.

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

Adding to 20204310242 its reverse (24201340202), we get a palindrome (44405650444).

The spelling of 20204310242 in words is "twenty billion, two hundred four million, three hundred ten thousand, two hundred forty-two".