20103719 has 8 divisors (see below), whose sum is σ = 20613120. Its totient is φ = 19600056.

The previous prime is 20103701. The next prime is 20103737. The reversal of 20103719 is 91730102.

It is an interprime number because it is at equal distance from previous prime (20103701) and next prime (20103737).

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 20103719 - 2¹² = 20099623 is a prime.

It is a super-2 number, since 2×20103719² = 808319035261922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20103694 and 20103703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6152 + ... + 8834.

It is an arithmetic number, because the mean of its divisors is an integer number (2576640).

Almost surely, 2^20103719 is an apocalyptic number.

20103719 is a deficient number, since it is larger than the sum of its proper divisors (509401).

20103719 is a wasteful number, since it uses less digits than its factorization.

20103719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 20103719 is about 4483.7170963387. The cubic root of 20103719 is about 271.9101806590.

The spelling of 20103719 in words is "twenty million, one hundred three thousand, seven hundred nineteen".