20333798064 has 100 divisors (see below), whose sum is σ = 58894300960. Its totient is φ = 6773051520.

The previous prime is 20333798059. The next prime is 20333798099. The reversal of 20333798064 is 46089733302.

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 19 ways as a sum of consecutive naturals, for example, 2095977 + ... + 2105655.

Almost surely, 2^20333798064 is an apocalyptic number.

20333798064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20333798064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29447150480).

20333798064 is an abundant number, since it is smaller than the sum of its proper divisors (38560502896).

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

20333798064 is a wasteful number, since it uses less digits than its factorization.

20333798064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320 (or 11305 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

It can be divided in two parts, 203337 and 98064, that added together give a square (301401 = 549²).

The spelling of 20333798064 in words is "twenty billion, three hundred thirty-three million, seven hundred ninety-eight thousand, sixty-four".