20150275 has 6 divisors (see below), whose sum is σ = 24986372. Its totient is φ = 16120200.

The previous prime is 20150267. The next prime is 20150303. The reversal of 20150275 is 57205102.

It is not a de Polignac number, because 20150275 - 2³ = 20150267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 402981 + ... + 403030.

Almost surely, 2^20150275 is an apocalyptic number.

20150275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20150275 is a deficient number, since it is larger than the sum of its proper divisors (4836097).

20150275 is an equidigital number, since it uses as much as digits as its factorization.

20150275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806021 (or 806016 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 20150275 is about 4488.9057686701. The cubic root of 20150275 is about 272.1199145068.

Adding to 20150275 its reverse (57205102), we get a palindrome (77355377).

The spelling of 20150275 in words is "twenty million, one hundred fifty thousand, two hundred seventy-five".