19925982 has 12 divisors (see below), whose sum is σ = 43173000. Its totient is φ = 6641988.

The previous prime is 19925953. The next prime is 19925993. The reversal of 19925982 is 28952991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 553482 + ... + 553517.

It is an arithmetic number, because the mean of its divisors is an integer number (3597750).

Almost surely, 2^19925982 is an apocalyptic number.

19925982 is an abundant number, since it is smaller than the sum of its proper divisors (23247018).

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

19925982 is a wasteful number, since it uses less digits than its factorization.

19925982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107007 (or 1107004 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 19925982 is about 4463.8528201544. The cubic root of 19925982 is about 271.1064881088.

The spelling of 19925982 in words is "nineteen million, nine hundred twenty-five thousand, nine hundred eighty-two".