820483503 has 16 divisors (see below), whose sum is σ = 1250935296. Its totient is φ = 468594720.

The previous prime is 820483487. The next prime is 820483507. The reversal of 820483503 is 305384028.

It is not a de Polignac number, because 820483503 - 2⁴ = 820483487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820483507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33598 + ... + 52628.

It is an arithmetic number, because the mean of its divisors is an integer number (78183456).

Almost surely, 2^820483503 is an apocalyptic number.

820483503 is a deficient number, since it is larger than the sum of its proper divisors (430451793).

820483503 is a wasteful number, since it uses less digits than its factorization.

820483503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21094.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 820483503 is about 28644.0832110228. The cubic root of 820483503 is about 936.1740912299.

The spelling of 820483503 in words is "eight hundred twenty million, four hundred eighty-three thousand, five hundred three".