22020040042 has 64 divisors (see below), whose sum is σ = 44715057408. Its totient is φ = 7919208000.

The previous prime is 22020040033. The next prime is 22020040051. The reversal of 22020040042 is 24004002022.

22020040042 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (22020040033) and next prime (22020040051).

It is a junction number, because it is equal to n+sod(n) for n = 22020039998 and 22020040025.

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 31 ways as a sum of consecutive naturals, for example, 196792 + ... + 287692.

It is an arithmetic number, because the mean of its divisors is an integer number (698672772).

Almost surely, 2^22020040042 is an apocalyptic number.

22020040042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22020040042 is an abundant number, since it is smaller than the sum of its proper divisors (22695017366).

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

22020040042 is a wasteful number, since it uses less digits than its factorization.

22020040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90956 (or 90934 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22020040042 its reverse (24004002022), we get a palindrome (46024042064).

The spelling of 22020040042 in words is "twenty-two billion, twenty million, forty thousand, forty-two".