20223043530 has 64 divisors (see below), whose sum is σ = 48819034368. Its totient is φ = 5361382400.

The previous prime is 20223043441. The next prime is 20223043553. The reversal of 20223043530 is 3534032202.

It is a self number, because there is not a number n which added to its sum of digits gives 20223043530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3810859 + ... + 3816161.

It is an arithmetic number, because the mean of its divisors is an integer number (762797412).

Almost surely, 2^20223043530 is an apocalyptic number.

20223043530 is an abundant number, since it is smaller than the sum of its proper divisors (28595990838).

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

20223043530 is a wasteful number, since it uses less digits than its factorization.

20223043530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6031.

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 20223043530 its reverse (3534032202), we get a palindrome (23757075732).

The spelling of 20223043530 in words is "twenty billion, two hundred twenty-three million, forty-three thousand, five hundred thirty".