20104319 has 8 divisors (see below), whose sum is σ = 21637008. Its totient is φ = 18610560.

The previous prime is 20104313. The next prime is 20104333. The reversal of 20104319 is 91340102.

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 20104319 - 2¹⁶ = 20038783 is a prime.

It is a super-2 number, since 2×20104319² = 808367284907522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20104319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20104313) 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, 8657 + ... + 10730.

It is an arithmetic number, because the mean of its divisors is an integer number (2704626).

Almost surely, 2^20104319 is an apocalyptic number.

20104319 is a deficient number, since it is larger than the sum of its proper divisors (1532689).

20104319 is a wasteful number, since it uses less digits than its factorization.

20104319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19465.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 20104319 is about 4483.7840046104. The cubic root of 20104319 is about 271.9128857056.

The spelling of 20104319 in words is "twenty million, one hundred four thousand, three hundred nineteen".