20193073 has 2 divisors, whose sum is σ = 20193074. Its totient is φ = 20193072.

The previous prime is 20193037. The next prime is 20193097. The reversal of 20193073 is 37039102.

Together with previous prime (20193037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10131489 + 10061584 = 3183^2 + 3172^2 .

It is a cyclic number.

It is not a de Polignac number, because 20193073 - 2⁹ = 20192561 is a prime.

It is not a weakly prime, because it can be changed into another prime (20194073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10096536 + 10096537.

It is an arithmetic number, because the mean of its divisors is an integer number (10096537).

Almost surely, 2^20193073 is an apocalyptic number.

It is an amenable number.

20193073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20193073 is an equidigital number, since it uses as much as digits as its factorization.

20193073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 20193073 is about 4493.6703261365. The cubic root of 20193073 is about 272.3124338404.

The spelling of 20193073 in words is "twenty million, one hundred ninety-three thousand, seventy-three".