20980042332 has 24 divisors (see below), whose sum is σ = 49246571136. Its totient is φ = 6951470448.

The previous prime is 20980042331. The next prime is 20980042339. The reversal of 20980042332 is 23324008902.

It is a junction number, because it is equal to n+sod(n) for n = 20980042293 and 20980042302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20980042331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5232538 + ... + 5236545.

It is an arithmetic number, because the mean of its divisors is an integer number (2051940464).

Almost surely, 2^20980042332 is an apocalyptic number.

It is an amenable number.

20980042332 is an abundant number, since it is smaller than the sum of its proper divisors (28266528804).

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

20980042332 is a wasteful number, since it uses less digits than its factorization.

20980042332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469257 (or 10469255 counting only the distinct ones).

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

The spelling of 20980042332 in words is "twenty billion, nine hundred eighty million, forty-two thousand, three hundred thirty-two".