20042288980 has 48 divisors (see below), whose sum is σ = 48343276800. Its totient is φ = 6837101568.

The previous prime is 20042288953. The next prime is 20042288993. The reversal of 20042288980 is 8988224002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331837 + ... + 387556.

It is an arithmetic number, because the mean of its divisors is an integer number (1007151600).

Almost surely, 2^20042288980 is an apocalyptic number.

20042288980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042288980 is an abundant number, since it is smaller than the sum of its proper divisors (28300987820).

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

20042288980 is a wasteful number, since it uses less digits than its factorization.

20042288980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719608 (or 719606 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 20042288980 in words is "twenty billion, forty-two million, two hundred eighty-eight thousand, nine hundred eighty".