20042212104440 has 64 divisors (see below), whose sum is σ = 47082023539200. Its totient is φ = 7664023204992.

The previous prime is 20042212104437. The next prime is 20042212104527. The reversal of 20042212104440 is 4440121224002.

It is a happy number.

It is a super-2 number, since 2×20042212104440² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4468730 + ... + 7749449.

It is an arithmetic number, because the mean of its divisors is an integer number (735656617800).

Almost surely, 2^{20042212104440} is an apocalyptic number.

20042212104440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042212104440 is an abundant number, since it is smaller than the sum of its proper divisors (27039811434760).

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

20042212104440 is a wasteful number, since it uses less digits than its factorization.

20042212104440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12219996 (or 12219992 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 20042212104440 its reverse (4440121224002), we get a palindrome (24482333328442).

The spelling of 20042212104440 in words is "twenty trillion, forty-two billion, two hundred twelve million, one hundred four thousand, four hundred forty".