20075275 has 24 divisors (see below), whose sum is σ = 27904464. Its totient is φ = 14198400.

The previous prime is 20075261. The next prime is 20075303. The reversal of 20075275 is 57257002.

It is not a de Polignac number, because 20075275 - 2¹⁷ = 19944203 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 23 ways as a sum of consecutive naturals, for example, 9189 + ... + 11161.

It is an arithmetic number, because the mean of its divisors is an integer number (1162686).

Almost surely, 2^20075275 is an apocalyptic number.

20075275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20075275 is a deficient number, since it is larger than the sum of its proper divisors (7829189).

20075275 is a wasteful number, since it uses less digits than its factorization.

20075275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 20075275 is about 4480.5440517866. The cubic root of 20075275 is about 271.7818816170.

The spelling of 20075275 in words is "twenty million, seventy-five thousand, two hundred seventy-five".