20103395 has 24 divisors (see below), whose sum is σ = 26870256. Its totient is φ = 14421888.

The previous prime is 20103383. The next prime is 20103427. The reversal of 20103395 is 59330102.

It is a happy number.

It is not a de Polignac number, because 20103395 - 2¹⁶ = 20037859 is a prime.

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 20103395.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30944 + ... + 31586.

It is an arithmetic number, because the mean of its divisors is an integer number (1119594).

Almost surely, 2^20103395 is an apocalyptic number.

20103395 is a deficient number, since it is larger than the sum of its proper divisors (6766861).

20103395 is a wasteful number, since it uses less digits than its factorization.

20103395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 20103395 is about 4483.6809654568. The cubic root of 20103395 is about 271.9087199115.

Adding to 20103395 its reverse (59330102), we get a palindrome (79433497).

The spelling of 20103395 in words is "twenty million, one hundred three thousand, three hundred ninety-five".