19980962 has 16 divisors (see below), whose sum is σ = 31223232. Its totient is φ = 9581040.

The previous prime is 19980959. The next prime is 19980973. The reversal of 19980962 is 26908991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3353 + ... + 7155.

It is an arithmetic number, because the mean of its divisors is an integer number (1951452).

Almost surely, 2^19980962 is an apocalyptic number.

19980962 is a deficient number, since it is larger than the sum of its proper divisors (11242270).

19980962 is a wasteful number, since it uses less digits than its factorization.

19980962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 19980962 is about 4470.0069351177. The cubic root of 19980962 is about 271.3556058455.

The spelling of 19980962 in words is "nineteen million, nine hundred eighty thousand, nine hundred sixty-two".