20333826980 has 48 divisors (see below), whose sum is σ = 45056088000. Its totient is φ = 7686999936.

The previous prime is 20333826949. The next prime is 20333826983. The reversal of 20333826980 is 8962833302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20333826983) 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, 95366 + ... + 223074.

It is an arithmetic number, because the mean of its divisors is an integer number (938668500).

Almost surely, 2^20333826980 is an apocalyptic number.

20333826980 is a gapful number since it is divisible by the number (20) 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 20333826980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22528044000).

20333826980 is an abundant number, since it is smaller than the sum of its proper divisors (24722261020).

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

20333826980 is a wasteful number, since it uses less digits than its factorization.

20333826980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128156 (or 128154 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 20333826980 in words is "twenty billion, three hundred thirty-three million, eight hundred twenty-six thousand, nine hundred eighty".