220505413143 has 4 divisors (see below), whose sum is σ = 294007217528. Its totient is φ = 147003608760.

The previous prime is 220505413031. The next prime is 220505413153. The reversal of 220505413143 is 341314505022.

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

It is not a de Polignac number, because 220505413143 - 2⁸ = 220505412887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220505413143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220505413153) 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, 36750902188 + ... + 36750902193.

It is an arithmetic number, because the mean of its divisors is an integer number (73501804382).

Almost surely, 2^220505413143 is an apocalyptic number.

220505413143 is a deficient number, since it is larger than the sum of its proper divisors (73501804385).

220505413143 is an equidigital number, since it uses as much as digits as its factorization.

220505413143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73501804384.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 220505413143 its reverse (341314505022), we get a palindrome (561819918165).

The spelling of 220505413143 in words is "two hundred twenty billion, five hundred five million, four hundred thirteen thousand, one hundred forty-three".