220012003 has 4 divisors (see below), whose sum is σ = 223741080. Its totient is φ = 216282928.

The previous prime is 220011973. The next prime is 220012007. The reversal of 220012003 is 300210022.

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 220012003 - 2⁵ = 220011971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220012007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864450 + ... + 1864567.

It is an arithmetic number, because the mean of its divisors is an integer number (55935270).

Almost surely, 2^220012003 is an apocalyptic number.

220012003 is a deficient number, since it is larger than the sum of its proper divisors (3729077).

220012003 is an equidigital number, since it uses as much as digits as its factorization.

220012003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729076.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 220012003 is about 14832.8015897200. The cubic root of 220012003 is about 603.6920522436.

Adding to 220012003 its reverse (300210022), we get a palindrome (520222025).

The spelling of 220012003 in words is "two hundred twenty million, twelve thousand, three".