201220302003 has 16 divisors (see below), whose sum is σ = 306671089920. Its totient is φ = 114964400736.

The previous prime is 201220301999. The next prime is 201220302011. The reversal of 201220302003 is 300203022102.

It is not a de Polignac number, because 201220302003 - 2² = 201220301999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201220302013) 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, 642973 + ... + 903246.

It is an arithmetic number, because the mean of its divisors is an integer number (19166943120).

Almost surely, 2^201220302003 is an apocalyptic number.

201220302003 is a deficient number, since it is larger than the sum of its proper divisors (105450787917).

201220302003 is a wasteful number, since it uses less digits than its factorization.

201220302003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552426.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 201220302003 its reverse (300203022102), we get a palindrome (501423324105).

The spelling of 201220302003 in words is "two hundred one billion, two hundred twenty million, three hundred two thousand, three".