220351350503 has 12 divisors (see below), whose sum is σ = 230065228848. Its totient is φ = 210920648640.

The previous prime is 220351350497. The next prime is 220351350521. The reversal of 220351350503 is 305053153022.

It is not a de Polignac number, because 220351350503 - 2¹² = 220351346407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220351350553) 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, 841475 + ... + 1071812.

It is an arithmetic number, because the mean of its divisors is an integer number (19172102404).

Almost surely, 2^220351350503 is an apocalyptic number.

220351350503 is a deficient number, since it is larger than the sum of its proper divisors (9713878345).

220351350503 is an equidigital number, since it uses as much as digits as its factorization.

220351350503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913434 (or 1913381 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 220351350503 in words is "two hundred twenty billion, three hundred fifty-one million, three hundred fifty thousand, five hundred three".