220434452445 has 64 divisors (see below), whose sum is σ = 365434527744. Its totient is φ = 113393710080.

The previous prime is 220434452401. The next prime is 220434452509. The reversal of 220434452445 is 544254434022.

It is not a de Polignac number, because 220434452445 - 2¹³ = 220434444253 is a prime.

It is a super-4 number, since 4×220434452445⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24377125 + ... + 24386165.

It is an arithmetic number, because the mean of its divisors is an integer number (5709914496).

Almost surely, 2^220434452445 is an apocalyptic number.

It is an amenable number.

220434452445 is a deficient number, since it is larger than the sum of its proper divisors (145000075299).

220434452445 is a wasteful number, since it uses less digits than its factorization.

220434452445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9562.

The product of its (nonzero) digits is 614400, while the sum is 39.

Adding to 220434452445 its reverse (544254434022), we get a palindrome (764688886467).

The spelling of 220434452445 in words is "two hundred twenty billion, four hundred thirty-four million, four hundred fifty-two thousand, four hundred forty-five".