20294075 has 6 divisors (see below), whose sum is σ = 25164684. Its totient is φ = 16235240.

The previous prime is 20294069. The next prime is 20294077. The reversal of 20294075 is 57049202.

It is a de Polignac number, because none of the positive numbers 2^k-20294075 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20294077) 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, 405857 + ... + 405906.

It is an arithmetic number, because the mean of its divisors is an integer number (4194114).

Almost surely, 2^20294075 is an apocalyptic number.

20294075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20294075 is a deficient number, since it is larger than the sum of its proper divisors (4870609).

20294075 is an equidigital number, since it uses as much as digits as its factorization.

20294075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811773 (or 811768 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 20294075 is about 4504.8945603643. The cubic root of 20294075 is about 272.7656977005.

The spelling of 20294075 in words is "twenty million, two hundred ninety-four thousand, seventy-five".