21980832001 has 8 divisors (see below), whose sum is σ = 22030646144. Its totient is φ = 21931074000.

The previous prime is 21980831963. The next prime is 21980832031. The reversal of 21980832001 is 10023808912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21980832001 - 2⁹ = 21980831489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21980832031) 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, 825766 + ... + 851968.

It is an arithmetic number, because the mean of its divisors is an integer number (2753830768).

Almost surely, 2^21980832001 is an apocalyptic number.

It is an amenable number.

21980832001 is a deficient number, since it is larger than the sum of its proper divisors (49814143).

21980832001 is a wasteful number, since it uses less digits than its factorization.

21980832001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28071.

The product of its (nonzero) digits is 6912, while the sum is 34.

The spelling of 21980832001 in words is "twenty-one billion, nine hundred eighty million, eight hundred thirty-two thousand, one".