20295073 has 2 divisors, whose sum is σ = 20295074. Its totient is φ = 20295072.

The previous prime is 20295061. The next prime is 20295083. The reversal of 20295073 is 37059202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14085009 + 6210064 = 3753^2 + 2492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20295073 is a prime.

It is equal to p_1288117 and since 20295073 and 1288117 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (20295013) 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 as a sum of consecutive naturals, namely, 10147536 + 10147537.

It is an arithmetic number, because the mean of its divisors is an integer number (10147537).

Almost surely, 2^20295073 is an apocalyptic number.

It is an amenable number.

20295073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20295073 is an equidigital number, since it uses as much as digits as its factorization.

20295073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 20295073 is about 4505.0053274108. The cubic root of 20295073 is about 272.7701688857.

The spelling of 20295073 in words is "twenty million, two hundred ninety-five thousand, seventy-three".