20244342230 has 32 divisors (see below), whose sum is σ = 41665536000. Its totient is φ = 6937578720.

The previous prime is 20244342221. The next prime is 20244342247. The reversal of 20244342230 is 3224344202.

It is a happy number.

It is a super-2 number, since 2×20244342230² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20244342230.

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 15 ways as a sum of consecutive naturals, for example, 79271 + ... + 216269.

It is an arithmetic number, because the mean of its divisors is an integer number (1302048000).

Almost surely, 2^20244342230 is an apocalyptic number.

20244342230 is an abundant number, since it is smaller than the sum of its proper divisors (21421193770).

20244342230 is a wasteful number, since it uses less digits than its factorization.

20244342230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139124.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20244342230 its reverse (3224344202), we get a palindrome (23468686432).

The spelling of 20244342230 in words is "twenty billion, two hundred forty-four million, three hundred forty-two thousand, two hundred thirty".