20033889793764 has 288 divisors, whose sum is σ = 59224541644800. Its totient is φ = 5120623603200.

The previous prime is 20033889793733. The next prime is 20033889793777. The reversal of 20033889793764 is 46739798833002.

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 95 ways as a sum of consecutive naturals, for example, 2650332217 + ... + 2650339775.

It is an arithmetic number, because the mean of its divisors is an integer number (205640769600).

Almost surely, 2^{20033889793764} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20033889793764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29612270822400).

20033889793764 is an abundant number, since it is smaller than the sum of its proper divisors (39190651851036).

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

20033889793764 is a wasteful number, since it uses less digits than its factorization.

20033889793764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295 (or 8222 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 69.

The spelling of 20033889793764 in words is "twenty trillion, thirty-three billion, eight hundred eighty-nine million, seven hundred ninety-three thousand, seven hundred sixty-four".