20348375 has 8 divisors (see below), whose sum is σ = 25394928. Its totient is φ = 16278600.

The previous prime is 20348359. The next prime is 20348429. The reversal of 20348375 is 57384302.

It is a happy number.

It is not a de Polignac number, because 20348375 - 2⁴ = 20348359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81269 + ... + 81518.

It is an arithmetic number, because the mean of its divisors is an integer number (3174366).

Almost surely, 2^20348375 is an apocalyptic number.

20348375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20348375 is a deficient number, since it is larger than the sum of its proper divisors (5046553).

20348375 is an equidigital number, since it uses as much as digits as its factorization.

20348375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162802 (or 162792 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 20348375 is about 4510.9173124765. The cubic root of 20348375 is about 273.0087569367.

The spelling of 20348375 in words is "twenty million, three hundred forty-eight thousand, three hundred seventy-five".