20230747 has 2 divisors, whose sum is σ = 20230748. Its totient is φ = 20230746.

The previous prime is 20230741. The next prime is 20230751. The reversal of 20230747 is 74703202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20230747 - 2⁷ = 20230619 is a prime.

It is not a weakly prime, because it can be changed into another prime (20230741) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115373 + 10115374.

It is an arithmetic number, because the mean of its divisors is an integer number (10115374).

Almost surely, 2^20230747 is an apocalyptic number.

20230747 is a deficient number, since it is larger than the sum of its proper divisors (1).

20230747 is an equidigital number, since it uses as much as digits as its factorization.

20230747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 20230747 is about 4497.8602690613. The cubic root of 20230747 is about 272.4816787615.

Adding to 20230747 its reverse (74703202), we get a palindrome (94933949).

The spelling of 20230747 in words is "twenty million, two hundred thirty thousand, seven hundred forty-seven".