20162293 has 2 divisors, whose sum is σ = 20162294. Its totient is φ = 20162292.

The previous prime is 20162291. The next prime is 20162297. The reversal of 20162293 is 39226102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17918289 + 2244004 = 4233^2 + 1498^2 .

It is a cyclic number.

It is not a de Polignac number, because 20162293 - 2¹ = 20162291 is a prime.

Together with 20162291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20162291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10081146 + 10081147.

It is an arithmetic number, because the mean of its divisors is an integer number (10081147).

Almost surely, 2^20162293 is an apocalyptic number.

It is an amenable number.

20162293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20162293 is an equidigital number, since it uses as much as digits as its factorization.

20162293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20162293 is about 4490.2442027133. The cubic root of 20162293 is about 272.1740028866.

Adding to 20162293 its reverse (39226102), we get a palindrome (59388395).

The spelling of 20162293 in words is "twenty million, one hundred sixty-two thousand, two hundred ninety-three".