19980095 has 8 divisors (see below), whose sum is σ = 24188976. Its totient is φ = 15842176.

The previous prime is 19980091. The next prime is 19980113. The reversal of 19980095 is 59008991.

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 19980095 - 2² = 19980091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19980091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17117 + ... + 18246.

It is an arithmetic number, because the mean of its divisors is an integer number (3023622).

Almost surely, 2^19980095 is an apocalyptic number.

19980095 is a deficient number, since it is larger than the sum of its proper divisors (4208881).

19980095 is a wasteful number, since it uses less digits than its factorization.

19980095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35481.

The product of its (nonzero) digits is 29160, while the sum is 41.

The square root of 19980095 is about 4469.9099543503. The cubic root of 19980095 is about 271.3516809642.

The spelling of 19980095 in words is "nineteen million, nine hundred eighty thousand, ninety-five".