20312483 has 2 divisors, whose sum is σ = 20312484. Its totient is φ = 20312482.

The previous prime is 20312443. The next prime is 20312491. The reversal of 20312483 is 38421302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20312483 - 2⁶ = 20312419 is a prime.

It is not a weakly prime, because it can be changed into another prime (20312443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156241 + 10156242.

It is an arithmetic number, because the mean of its divisors is an integer number (10156242).

Almost surely, 2^20312483 is an apocalyptic number.

20312483 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312483 is an equidigital number, since it uses as much as digits as its factorization.

20312483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 20312483 is about 4506.9372083489. The cubic root of 20312483 is about 272.8481446476.

Adding to 20312483 its reverse (38421302), we get a palindrome (58733785).

The spelling of 20312483 in words is "twenty million, three hundred twelve thousand, four hundred eighty-three".