220203344311 has 4 divisors (see below), whose sum is σ = 220208765632. Its totient is φ = 220197922992.

The previous prime is 220203344287. The next prime is 220203344377. The reversal of 220203344311 is 113443302022.

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

It is a cyclic number.

It is not a de Polignac number, because 220203344311 - 2⁷ = 220203344183 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 (220203341311) 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, 2649270 + ... + 2731123.

It is an arithmetic number, because the mean of its divisors is an integer number (55052191408).

Almost surely, 2^220203344311 is an apocalyptic number.

220203344311 is a deficient number, since it is larger than the sum of its proper divisors (5421321).

220203344311 is an equidigital number, since it uses as much as digits as its factorization.

220203344311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421320.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 220203344311 its reverse (113443302022), we get a palindrome (333646646333).

The spelling of 220203344311 in words is "two hundred twenty billion, two hundred three million, three hundred forty-four thousand, three hundred eleven".