20413069 has 2 divisors, whose sum is σ = 20413070. Its totient is φ = 20413068.

The previous prime is 20413051. The next prime is 20413117. The reversal of 20413069 is 96031402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18275625 + 2137444 = 4275^2 + 1462^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413069 - 2¹⁷ = 20281997 is a prime.

It is a super-2 number, since 2×20413069² = 833386771997522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20413669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206534 + 10206535.

It is an arithmetic number, because the mean of its divisors is an integer number (10206535).

Almost surely, 2^20413069 is an apocalyptic number.

It is an amenable number.

20413069 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413069 is an equidigital number, since it uses as much as digits as its factorization.

20413069 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 20413069 is about 4518.0824472336. The cubic root of 20413069 is about 273.2977782756.

The spelling of 20413069 in words is "twenty million, four hundred thirteen thousand, sixty-nine".