20345050342 has 16 divisors (see below), whose sum is σ = 31102513200. Its totient is φ = 9979394400.

The previous prime is 20345050307. The next prime is 20345050421. The reversal of 20345050342 is 24305054302.

It is a self number, because there is not a number n which added to its sum of digits gives 20345050342.

It is a congruent number.

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, 439992 + ... + 484027.

It is an arithmetic number, because the mean of its divisors is an integer number (1943907075).

Almost surely, 2^20345050342 is an apocalyptic number.

20345050342 is a deficient number, since it is larger than the sum of its proper divisors (10757462858).

20345050342 is a wasteful number, since it uses less digits than its factorization.

20345050342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924231.

The product of its (nonzero) digits is 14400, while the sum is 28.

The spelling of 20345050342 in words is "twenty billion, three hundred forty-five million, fifty thousand, three hundred forty-two".