20335193 has 2 divisors, whose sum is σ = 20335194. Its totient is φ = 20335192.

The previous prime is 20335157. The next prime is 20335201. The reversal of 20335193 is 39153302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16540489 + 3794704 = 4067^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 20335193 - 2¹⁶ = 20269657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20335123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167596 + 10167597.

It is an arithmetic number, because the mean of its divisors is an integer number (10167597).

Almost surely, 2^20335193 is an apocalyptic number.

It is an amenable number.

20335193 is a deficient number, since it is larger than the sum of its proper divisors (1).

20335193 is an equidigital number, since it uses as much as digits as its factorization.

20335193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 20335193 is about 4509.4559538818. The cubic root of 20335193 is about 272.9497910678.

Adding to 20335193 its reverse (39153302), we get a palindrome (59488495).

The spelling of 20335193 in words is "twenty million, three hundred thirty-five thousand, one hundred ninety-three".