20004543694744 has 64 divisors (see below), whose sum is σ = 45196165324800. Its totient is φ = 8108981362944.

The previous prime is 20004543694717. The next prime is 20004543694771. The reversal of 20004543694744 is 44749634540002.

It is an interprime number because it is at equal distance from previous prime (20004543694717) and next prime (20004543694771).

It is a junction number, because it is equal to n+sod(n) for n = 20004543694691 and 20004543694700.

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, 14579544 + ... + 15892519.

It is an arithmetic number, because the mean of its divisors is an integer number (706190083200).

Almost surely, 2^{20004543694744} is an apocalyptic number.

It is an amenable number.

20004543694744 is an abundant number, since it is smaller than the sum of its proper divisors (25191621630056).

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

20004543694744 is a wasteful number, since it uses less digits than its factorization.

20004543694744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30472712 (or 30472708 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 20004543694744 in words is "twenty trillion, four billion, five hundred forty-three million, six hundred ninety-four thousand, seven hundred forty-four".