20330441980 has 24 divisors (see below), whose sum is σ = 44550186912. Its totient is φ = 7778603712.

The previous prime is 20330441939. The next prime is 20330441981. The reversal of 20330441980 is 8914403302.

It is a super-2 number, since 2×20330441980² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330441981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22097847 + ... + 22098766.

It is an arithmetic number, because the mean of its divisors is an integer number (1856257788).

Almost surely, 2^20330441980 is an apocalyptic number.

20330441980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330441980 is an abundant number, since it is smaller than the sum of its proper divisors (24219744932).

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

20330441980 is a wasteful number, since it uses less digits than its factorization.

20330441980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44196645 (or 44196643 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 20330441980 in words is "twenty billion, three hundred thirty million, four hundred forty-one thousand, nine hundred eighty".