20926093 has 2 divisors, whose sum is σ = 20926094. Its totient is φ = 20926092.

The previous prime is 20926091. The next prime is 20926153. The reversal of 20926093 is 39062902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10673289 + 10252804 = 3267^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 20926093 - 2¹ = 20926091 is a prime.

Together with 20926091, 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 (20926091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10463046 + 10463047.

It is an arithmetic number, because the mean of its divisors is an integer number (10463047).

Almost surely, 2^20926093 is an apocalyptic number.

It is an amenable number.

20926093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20926093 is an equidigital number, since it uses as much as digits as its factorization.

20926093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 20926093 is about 4574.5046726394. The cubic root of 20926093 is about 275.5683803636.

Adding to 20926093 its reverse (39062902), we get a palindrome (59988995).

The spelling of 20926093 in words is "twenty million, nine hundred twenty-six thousand, ninety-three".