220040534424 has 16 divisors (see below), whose sum is σ = 550101336120. Its totient is φ = 73346844800.

The previous prime is 220040534377. The next prime is 220040534429. The reversal of 220040534424 is 424435040022.

It is a junction number, because it is equal to n+sod(n) for n = 220040534391 and 220040534400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220040534429) 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, 4584177777 + ... + 4584177824.

Almost surely, 2^220040534424 is an apocalyptic number.

220040534424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220040534424 is an abundant number, since it is smaller than the sum of its proper divisors (330060801696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220040534424 is a wasteful number, since it uses less digits than its factorization.

220040534424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168355610 (or 9168355606 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 220040534424 its reverse (424435040022), we get a palindrome (644475574446).

The spelling of 220040534424 in words is "two hundred twenty billion, forty million, five hundred thirty-four thousand, four hundred twenty-four".