20204320342 has 16 divisors (see below), whose sum is σ = 30513898800. Its totient is φ = 10033162240.

The previous prime is 20204320319. The next prime is 20204320363. The reversal of 20204320342 is 24302340202.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 254742 + ... + 324502.

It is an arithmetic number, because the mean of its divisors is an integer number (1907118675).

Almost surely, 2^20204320342 is an apocalyptic number.

20204320342 is a deficient number, since it is larger than the sum of its proper divisors (10309578458).

20204320342 is a wasteful number, since it uses less digits than its factorization.

20204320342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70751.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20204320342 its reverse (24302340202), we get a palindrome (44506660544).

The spelling of 20204320342 in words is "twenty billion, two hundred four million, three hundred twenty thousand, three hundred forty-two".