20864483 has 2 divisors, whose sum is σ = 20864484. Its totient is φ = 20864482.

The previous prime is 20864477. The next prime is 20864507. The reversal of 20864483 is 38446802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20864483 - 2⁸ = 20864227 is a prime.

It is not a weakly prime, because it can be changed into another prime (20864783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10432241 + 10432242.

It is an arithmetic number, because the mean of its divisors is an integer number (10432242).

Almost surely, 2^20864483 is an apocalyptic number.

20864483 is a deficient number, since it is larger than the sum of its proper divisors (1).

20864483 is an equidigital number, since it uses as much as digits as its factorization.

20864483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 20864483 is about 4567.7656463527. The cubic root of 20864483 is about 275.2976743597.

The spelling of 20864483 in words is "twenty million, eight hundred sixty-four thousand, four hundred eighty-three".