20113032342142 has 4 divisors (see below), whose sum is σ = 30169548513216. Its totient is φ = 10056516171070.

The previous prime is 20113032342119. The next prime is 20113032342157. The reversal of 20113032342142 is 24124323031102.

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

It is a super-2 number, since 2×20113032342142² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20113032342142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028258085534 + ... + 5028258085537.

It is an arithmetic number, because the mean of its divisors is an integer number (7542387128304).

Almost surely, 2^{20113032342142} is an apocalyptic number.

20113032342142 is a deficient number, since it is larger than the sum of its proper divisors (10056516171074).

20113032342142 is a wasteful number, since it uses less digits than its factorization.

20113032342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10056516171073.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20113032342142 its reverse (24124323031102), we get a palindrome (44237355373244).

The spelling of 20113032342142 in words is "twenty trillion, one hundred thirteen billion, thirty-two million, three hundred forty-two thousand, one hundred forty-two".