20004356332650 has 24 divisors (see below), whose sum is σ = 49610803705344. Its totient is φ = 5334495022000.

The previous prime is 20004356332607. The next prime is 20004356332757. The reversal of 20004356332650 is 5623365340002.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20004356332599 and 20004356332608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66681187626 + ... + 66681187925.

It is an arithmetic number, because the mean of its divisors is an integer number (2067116821056).

Almost surely, 2^{20004356332650} is an apocalyptic number.

20004356332650 is an abundant number, since it is smaller than the sum of its proper divisors (29606447372694).

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

20004356332650 is a wasteful number, since it uses less digits than its factorization.

20004356332650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133362375566 (or 133362375561 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 39.

The spelling of 20004356332650 in words is "twenty trillion, four billion, three hundred fifty-six million, three hundred thirty-two thousand, six hundred fifty".