20043625544442 has 32 divisors (see below), whose sum is σ = 44593607540160. Its totient is φ = 6673375898640.

The previous prime is 20043625544441. The next prime is 20043625544447. The reversal of 20043625544442 is 24444552634002.

20043625544442 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 3 + 62 + 5 + 544 + 4 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (20043625544441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217526184 + ... + 217618307.

It is an arithmetic number, because the mean of its divisors is an integer number (1393550235630).

Almost surely, 2^{20043625544442} is an apocalyptic number.

20043625544442 is an abundant number, since it is smaller than the sum of its proper divisors (24549981995718).

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

20043625544442 is a wasteful number, since it uses less digits than its factorization.

20043625544442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435145355 (or 435145349 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 45.

The spelling of 20043625544442 in words is "twenty trillion, forty-three billion, six hundred twenty-five million, five hundred forty-four thousand, four hundred forty-two".