36820003 has 4 divisors (see below), whose sum is σ = 40167288. Its totient is φ = 33472720.

The previous prime is 36819989. The next prime is 36820019. The reversal of 36820003 is 30002863.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36820003 - 2⁹ = 36819491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36820073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673626 + ... + 1673647.

It is an arithmetic number, because the mean of its divisors is an integer number (10041822).

Almost surely, 2^36820003 is an apocalyptic number.

36820003 is a deficient number, since it is larger than the sum of its proper divisors (3347285).

36820003 is a wasteful number, since it uses less digits than its factorization.

36820003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347284.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 36820003 is about 6067.9488297117. The cubic root of 36820003 is about 332.6809552637.

Adding to 36820003 its reverse (30002863), we get a palindrome (66822866).

The spelling of 36820003 in words is "thirty-six million, eight hundred twenty thousand, three".