20260523 has 2 divisors, whose sum is σ = 20260524. Its totient is φ = 20260522.

The previous prime is 20260511. The next prime is 20260529. The reversal of 20260523 is 32506202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20260523 - 2⁶ = 20260459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20260495 and 20260504.

It is not a weakly prime, because it can be changed into another prime (20260529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10130261 + 10130262.

It is an arithmetic number, because the mean of its divisors is an integer number (10130262).

Almost surely, 2^20260523 is an apocalyptic number.

20260523 is a deficient number, since it is larger than the sum of its proper divisors (1).

20260523 is an equidigital number, since it uses as much as digits as its factorization.

20260523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20260523 is about 4501.1690703638. The cubic root of 20260523 is about 272.6152944773.

Adding to 20260523 its reverse (32506202), we get a palindrome (52766725).

The spelling of 20260523 in words is "twenty million, two hundred sixty thousand, five hundred twenty-three".