220002431424 has 28 divisors (see below), whose sum is σ = 582089766984. Its totient is φ = 73334143744.

The previous prime is 220002431387. The next prime is 220002431501. The reversal of 220002431424 is 424134200022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 220002431394 and 220002431403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572922807 + ... + 572923190.

Almost surely, 2^220002431424 is an apocalyptic number.

220002431424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220002431424 is an abundant number, since it is smaller than the sum of its proper divisors (362087335560).

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

220002431424 is a wasteful number, since it uses less digits than its factorization.

220002431424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145846012 (or 1145846002 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 220002431424 its reverse (424134200022), we get a palindrome (644136631446).

The spelling of 220002431424 in words is "two hundred twenty billion, two million, four hundred thirty-one thousand, four hundred twenty-four".