20300895 has 16 divisors (see below), whose sum is σ = 36090720. Its totient is φ = 10827072.

The previous prime is 20300879. The next prime is 20300947. The reversal of 20300895 is 59800302.

It is not a de Polignac number, because 20300895 - 2⁴ = 20300879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75054 + ... + 75323.

It is an arithmetic number, because the mean of its divisors is an integer number (2255670).

Almost surely, 2^20300895 is an apocalyptic number.

20300895 is a deficient number, since it is larger than the sum of its proper divisors (15789825).

20300895 is a wasteful number, since it uses less digits than its factorization.

20300895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150391 (or 150385 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 20300895 is about 4505.6514512332. The cubic root of 20300895 is about 272.7962493715.

The spelling of 20300895 in words is "twenty million, three hundred thousand, eight hundred ninety-five".