2220120003 has 4 divisors (see below), whose sum is σ = 2960160008. Its totient is φ = 1480080000.

The previous prime is 2220119987. The next prime is 2220120013. The reversal of 2220120003 is 3000210222.

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

It is not a de Polignac number, because 2220120003 - 2⁴ = 2220119987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220120013) 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, 370019998 + ... + 370020003.

It is an arithmetic number, because the mean of its divisors is an integer number (740040002).

Almost surely, 2^2220120003 is an apocalyptic number.

2220120003 is a deficient number, since it is larger than the sum of its proper divisors (740040005).

2220120003 is an equidigital number, since it uses as much as digits as its factorization.

2220120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740040004.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2220120003 is about 47118.1494012658. The cubic root of 2220120003 is about 1304.5442550629.

Adding to 2220120003 its reverse (3000210222), we get a palindrome (5220330225).

The spelling of 2220120003 in words is "two billion, two hundred twenty million, one hundred twenty thousand, three".