19962064 has 20 divisors (see below), whose sum is σ = 38746404. Its totient is φ = 9963008.

The previous prime is 19962043. The next prime is 19962071. The reversal of 19962064 is 46026991.

It can be written as a sum of positive squares in 2 ways, for example, as 16321600 + 3640464 = 4040^2 + 1908^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14994 + ... + 16270.

Almost surely, 2^19962064 is an apocalyptic number.

It is an amenable number.

19962064 is a deficient number, since it is larger than the sum of its proper divisors (18784340).

19962064 is a wasteful number, since it uses less digits than its factorization.

19962064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 19962064 is about 4467.8925680907. The cubic root of 19962064 is about 271.2700294553.

The spelling of 19962064 in words is "nineteen million, nine hundred sixty-two thousand, sixty-four".