19962065 has 8 divisors (see below), whose sum is σ = 25215360. Its totient is φ = 15129072.

The previous prime is 19962043. The next prime is 19962071. The reversal of 19962065 is 56026991.

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 19962065 - 2¹² = 19957969 is a prime.

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, 104969 + ... + 105158.

It is an arithmetic number, because the mean of its divisors is an integer number (3151920).

Almost surely, 2^19962065 is an apocalyptic number.

It is an amenable number.

19962065 is a deficient number, since it is larger than the sum of its proper divisors (5253295).

19962065 is a wasteful number, since it uses less digits than its factorization.

19962065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210151.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 19962065 is about 4467.8926800003. The cubic root of 19962065 is about 271.2700339851.

The spelling of 19962065 in words is "nineteen million, nine hundred sixty-two thousand, sixty-five".