20300675 has 12 divisors (see below), whose sum is σ = 25529616. Its totient is φ = 16010400.

The previous prime is 20300659. The next prime is 20300681. The reversal of 20300675 is 57600302.

It is not a de Polignac number, because 20300675 - 2⁴ = 20300659 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 20300675.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3944 + ... + 7493.

It is an arithmetic number, because the mean of its divisors is an integer number (2127468).

Almost surely, 2^20300675 is an apocalyptic number.

20300675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20300675 is a deficient number, since it is larger than the sum of its proper divisors (5228941).

20300675 is a wasteful number, since it uses less digits than its factorization.

20300675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11518 (or 11513 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 20300675 is about 4505.6270373834. The cubic root of 20300675 is about 272.7952639406.

Adding to 20300675 its reverse (57600302), we get a palindrome (77900977).

The spelling of 20300675 in words is "twenty million, three hundred thousand, six hundred seventy-five".