220320312003 has 24 divisors (see below), whose sum is σ = 347187959040. Its totient is φ = 133521093360.

The previous prime is 220320311989. The next prime is 220320312101. The reversal of 220320312003 is 300213023022.

It is a happy number.

220320312003 is a `hidden beast` number, since 220 + 320 + 3 + 120 + 0 + 3 = 666.

It is not a de Polignac number, because 220320312003 - 2¹³ = 220320303811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220320312403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2808450 + ... + 2885832.

It is an arithmetic number, because the mean of its divisors is an integer number (14466164960).

Almost surely, 2^220320312003 is an apocalyptic number.

220320312003 is a deficient number, since it is larger than the sum of its proper divisors (126867647037).

220320312003 is a wasteful number, since it uses less digits than its factorization.

220320312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106159 (or 106156 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 220320312003 its reverse (300213023022), we get a palindrome (520533335025).

The spelling of 220320312003 in words is "two hundred twenty billion, three hundred twenty million, three hundred twelve thousand, three".