20193113 has 2 divisors, whose sum is σ = 20193114. Its totient is φ = 20193112.

The previous prime is 20193097. The next prime is 20193119. The reversal of 20193113 is 31139102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15031129 + 5161984 = 3877^2 + 2272^2 .

It is a cyclic number.

It is not a de Polignac number, because 20193113 - 2⁴ = 20193097 is a prime.

It is not a weakly prime, because it can be changed into another prime (20193119) 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, 10096556 + 10096557.

It is an arithmetic number, because the mean of its divisors is an integer number (10096557).

Almost surely, 2^20193113 is an apocalyptic number.

It is an amenable number.

20193113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20193113 is an equidigital number, since it uses as much as digits as its factorization.

20193113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 20193113 is about 4493.6747768391. The cubic root of 20193113 is about 272.3126136461.

The spelling of 20193113 in words is "twenty million, one hundred ninety-three thousand, one hundred thirteen".