20042362918 has 16 divisors (see below), whose sum is σ = 30154243680. Its totient is φ = 9990985536.

The previous prime is 20042362913. The next prime is 20042362969. The reversal of 20042362918 is 81926324002.

It is a happy number.

It is a super-2 number, since 2×20042362918² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20042362913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182528 + ... + 1199356.

It is an arithmetic number, because the mean of its divisors is an integer number (1884640230).

Almost surely, 2^20042362918 is an apocalyptic number.

20042362918 is a deficient number, since it is larger than the sum of its proper divisors (10111880762).

20042362918 is a wasteful number, since it uses less digits than its factorization.

20042362918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18591.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 20042362918 in words is "twenty billion, forty-two million, three hundred sixty-two thousand, nine hundred eighteen".