20112240042044 has 24 divisors (see below), whose sum is σ = 35385131728128. Its totient is φ = 10002215612160.

The previous prime is 20112240041921. The next prime is 20112240042161. The reversal of 20112240042044 is 44024004221102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4459904 + ... + 7753400.

It is an arithmetic number, because the mean of its divisors is an integer number (1474380488672).

Almost surely, 2^{20112240042044} is an apocalyptic number.

It is an amenable number.

20112240042044 is a deficient number, since it is larger than the sum of its proper divisors (15272891686084).

20112240042044 is a wasteful number, since it uses less digits than its factorization.

20112240042044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301685 (or 3301683 counting only the distinct ones).

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

Adding to 20112240042044 its reverse (44024004221102), we get a palindrome (64136244263146).

The spelling of 20112240042044 in words is "twenty trillion, one hundred twelve billion, two hundred forty million, forty-two thousand, forty-four".