20363047 has 2 divisors, whose sum is σ = 20363048. Its totient is φ = 20363046.

The previous prime is 20363023. The next prime is 20363069. The reversal of 20363047 is 74036302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20363047 - 2¹⁹ = 19838759 is a prime.

It is equal to p_1292164 and since 20363047 and 1292164 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20363087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10181523 + 10181524.

It is an arithmetic number, because the mean of its divisors is an integer number (10181524).

Almost surely, 2^20363047 is an apocalyptic number.

20363047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20363047 is an equidigital number, since it uses as much as digits as its factorization.

20363047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 20363047 is about 4512.5432961912. The cubic root of 20363047 is about 273.0743579513.

Adding to 20363047 its reverse (74036302), we get a palindrome (94399349).

The spelling of 20363047 in words is "twenty million, three hundred sixty-three thousand, forty-seven".