20373593 has 2 divisors, whose sum is σ = 20373594. Its totient is φ = 20373592.

The previous prime is 20373583. The next prime is 20373611. The reversal of 20373593 is 39537302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20322064 + 51529 = 4508^2 + 227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20373593 is a prime.

It is not a weakly prime, because it can be changed into another prime (20373523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186796 + 10186797.

It is an arithmetic number, because the mean of its divisors is an integer number (10186797).

Almost surely, 2^20373593 is an apocalyptic number.

It is an amenable number.

20373593 is a deficient number, since it is larger than the sum of its proper divisors (1).

20373593 is an equidigital number, since it uses as much as digits as its factorization.

20373593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 32.

The square root of 20373593 is about 4513.7116655808. The cubic root of 20373593 is about 273.1214914535.

The spelling of 20373593 in words is "twenty million, three hundred seventy-three thousand, five hundred ninety-three".