20222144430 has 32 divisors (see below), whose sum is σ = 48537014400. Its totient is φ = 5392142112.

The previous prime is 20222144381. The next prime is 20222144431. The reversal of 20222144430 is 3444122202.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222144430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222144431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 582501 + ... + 616239.

It is an arithmetic number, because the mean of its divisors is an integer number (1516781700).

Almost surely, 2^20222144430 is an apocalyptic number.

20222144430 is an abundant number, since it is smaller than the sum of its proper divisors (28314869970).

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

20222144430 is a wasteful number, since it uses less digits than its factorization.

20222144430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53728.

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

Adding to 20222144430 its reverse (3444122202), we get a palindrome (23666266632).

The spelling of 20222144430 in words is "twenty billion, two hundred twenty-two million, one hundred forty-four thousand, four hundred thirty".