20303242980 has 48 divisors (see below), whose sum is σ = 56897824704. Its totient is φ = 5409555840.

The previous prime is 20303242979. The next prime is 20303243011. The reversal of 20303242980 is 8924230302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74227 + ... + 214746.

It is an arithmetic number, because the mean of its divisors is an integer number (1185371348).

Almost surely, 2^20303242980 is an apocalyptic number.

20303242980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20303242980 is an abundant number, since it is smaller than the sum of its proper divisors (36594581724).

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

20303242980 is a wasteful number, since it uses less digits than its factorization.

20303242980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290156 (or 290154 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 20303242980 in words is "twenty billion, three hundred three million, two hundred forty-two thousand, nine hundred eighty".