20300875 has 16 divisors (see below), whose sum is σ = 28956096. Its totient is φ = 13920000.

The previous prime is 20300869. The next prime is 20300879. The reversal of 20300875 is 57800302.

It is not a de Polignac number, because 20300875 - 2¹¹ = 20298827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10726 + ... + 12475.

It is an arithmetic number, because the mean of its divisors is an integer number (1809756).

Almost surely, 2^20300875 is an apocalyptic number.

20300875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20300875 is a deficient number, since it is larger than the sum of its proper divisors (8655221).

20300875 is an equidigital number, since it uses as much as digits as its factorization.

20300875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23223 (or 23213 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20300875 is about 4505.6492317978. The cubic root of 20300875 is about 272.7961597872.

The spelling of 20300875 in words is "twenty million, three hundred thousand, eight hundred seventy-five".