20243430330 has 16 divisors (see below), whose sum is σ = 48584232864. Its totient is φ = 5398248080.

The previous prime is 20243430283. The next prime is 20243430331. The reversal of 20243430330 is 3303434202.

It is a self number, because there is not a number n which added to its sum of digits gives 20243430330.

It is not an unprimeable number, because it can be changed into a prime (20243430331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337390476 + ... + 337390535.

It is an arithmetic number, because the mean of its divisors is an integer number (3036514554).

Almost surely, 2^20243430330 is an apocalyptic number.

20243430330 is an abundant number, since it is smaller than the sum of its proper divisors (28340802534).

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

20243430330 is a wasteful number, since it uses less digits than its factorization.

20243430330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674781021.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20243430330 its reverse (3303434202), we get a palindrome (23546864532).

The spelling of 20243430330 in words is "twenty billion, two hundred forty-three million, four hundred thirty thousand, three hundred thirty".