20302313111142 has 32 divisors (see below), whose sum is σ = 41718144697344. Its totient is φ = 6581992485600.

The previous prime is 20302313111141. The next prime is 20302313111147. The reversal of 20302313111142 is 24111131320302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302313111141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17072784 + ... + 18223187.

It is an arithmetic number, because the mean of its divisors is an integer number (1303692021792).

Almost surely, 2^{20302313111142} is an apocalyptic number.

20302313111142 is an abundant number, since it is smaller than the sum of its proper divisors (21415831586202).

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

20302313111142 is a wasteful number, since it uses less digits than its factorization.

20302313111142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35298604.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 20302313111142 its reverse (24111131320302), we get a palindrome (44413444431444).

The spelling of 20302313111142 in words is "twenty trillion, three hundred two billion, three hundred thirteen million, one hundred eleven thousand, one hundred forty-two".