20295994 has 8 divisors (see below), whose sum is σ = 32234868. Its totient is φ = 9551040.

The previous prime is 20295991. The next prime is 20296013. The reversal of 20295994 is 49959202.

It can be written as a sum of positive squares in 2 ways, for example, as 16040025 + 4255969 = 4005^2 + 2063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20295991) 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 3 ways as a sum of consecutive naturals, for example, 298437 + ... + 298504.

Almost surely, 2^20295994 is an apocalyptic number.

20295994 is a deficient number, since it is larger than the sum of its proper divisors (11938874).

20295994 is a wasteful number, since it uses less digits than its factorization.

20295994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596960.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 20295994 is about 4505.1075458861. The cubic root of 20295994 is about 272.7742949696.

The spelling of 20295994 in words is "twenty million, two hundred ninety-five thousand, nine hundred ninety-four".