20275073 has 16 divisors (see below), whose sum is σ = 25468800. Its totient is φ = 16038288.

The previous prime is 20275063. The next prime is 20275111. The reversal of 20275073 is 37057202.

It is not a de Polignac number, because 20275073 - 2²² = 16080769 is a prime.

It is a super-2 number, since 2×20275073² = 822157170310658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20275063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2186 + ... + 6732.

It is an arithmetic number, because the mean of its divisors is an integer number (1591800).

Almost surely, 2^20275073 is an apocalyptic number.

It is an amenable number.

20275073 is a deficient number, since it is larger than the sum of its proper divisors (5193727).

20275073 is an equidigital number, since it uses as much as digits as its factorization.

20275073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581 (or 4567 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 20275073 is about 4502.7850270694. The cubic root of 20275073 is about 272.6805379953.

The spelling of 20275073 in words is "twenty million, two hundred seventy-five thousand, seventy-three".