20301275 has 6 divisors (see below), whose sum is σ = 25173612. Its totient is φ = 16241000.

The previous prime is 20301269. The next prime is 20301277. The reversal of 20301275 is 57210302.

It is not a de Polignac number, because 20301275 - 2¹⁶ = 20235739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 406001 + ... + 406050.

It is an arithmetic number, because the mean of its divisors is an integer number (4195602).

Almost surely, 2^20301275 is an apocalyptic number.

20301275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20301275 is a deficient number, since it is larger than the sum of its proper divisors (4872337).

20301275 is an equidigital number, since it uses as much as digits as its factorization.

20301275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812061 (or 812056 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20301275 is about 4505.6936202987. The cubic root of 20301275 is about 272.7979514628.

Adding to 20301275 its reverse (57210302), we get a palindrome (77511577).

The spelling of 20301275 in words is "twenty million, three hundred one thousand, two hundred seventy-five".