220231430441 has 4 divisors (see below), whose sum is σ = 240252469584. Its totient is φ = 200210391300.

The previous prime is 220231430437. The next prime is 220231430449. The reversal of 220231430441 is 144034132022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220231430441 - 2² = 220231430437 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 220231430441.

It is not an unprimeable number, because it can be changed into a prime (220231430449) 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, 10010519555 + ... + 10010519576.

It is an arithmetic number, because the mean of its divisors is an integer number (60063117396).

Almost surely, 2^220231430441 is an apocalyptic number.

It is an amenable number.

220231430441 is a deficient number, since it is larger than the sum of its proper divisors (20021039143).

220231430441 is a wasteful number, since it uses less digits than its factorization.

220231430441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20021039142.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 220231430441 its reverse (144034132022), we get a palindrome (364265562463).

The spelling of 220231430441 in words is "two hundred twenty billion, two hundred thirty-one million, four hundred thirty thousand, four hundred forty-one".