1220203333003 has 12 divisors (see below), whose sum is σ = 1233719535888. Its totient is φ = 1206832204560.

The previous prime is 1220203332991. The next prime is 1220203333031. The reversal of 1220203333003 is 3003333020221.

It is a de Polignac number, because none of the positive numbers 2^k-1220203333003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220203333073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8383218 + ... + 8527528.

It is an arithmetic number, because the mean of its divisors is an integer number (102809961324).

Almost surely, 2^{1220203333003} is an apocalyptic number.

1220203333003 is a deficient number, since it is larger than the sum of its proper divisors (13516202885).

1220203333003 is an equidigital number, since it uses as much as digits as its factorization.

1220203333003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145314 (or 145211 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 1220203333003 its reverse (3003333020221), we get a palindrome (4223536353224).

The spelling of 1220203333003 in words is "one trillion, two hundred twenty billion, two hundred three million, three hundred thirty-three thousand, three".