20113069 has 2 divisors, whose sum is σ = 20113070. Its totient is φ = 20113068.

The previous prime is 20113043. The next prime is 20113073. The reversal of 20113069 is 96031102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17952169 + 2160900 = 4237^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113069 - 2²¹ = 18015917 is a prime.

It is a super-2 number, since 2×20113069² = 809071089197522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056534 + 10056535.

It is an arithmetic number, because the mean of its divisors is an integer number (10056535).

Almost surely, 2^20113069 is an apocalyptic number.

It is an amenable number.

20113069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113069 is an equidigital number, since it uses as much as digits as its factorization.

20113069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 20113069 is about 4484.7596368144. The cubic root of 20113069 is about 271.9523281866.

The spelling of 20113069 in words is "twenty million, one hundred thirteen thousand, sixty-nine".