20023443330 has 32 divisors (see below), whose sum is σ = 52425016128. Its totient is φ = 4854168000.

The previous prime is 20023443317. The next prime is 20023443343. The reversal of 20023443330 is 3334432002.

It is an interprime number because it is at equal distance from previous prime (20023443317) and next prime (20023443343).

It is a self number, because there is not a number n which added to its sum of digits gives 20023443330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30338221 + ... + 30338880.

It is an arithmetic number, because the mean of its divisors is an integer number (1638281754).

Almost surely, 2^20023443330 is an apocalyptic number.

20023443330 is an abundant number, since it is smaller than the sum of its proper divisors (32401572798).

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

20023443330 is a wasteful number, since it uses less digits than its factorization.

20023443330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60677122.

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

Adding to 20023443330 its reverse (3334432002), we get a palindrome (23357875332).

The spelling of 20023443330 in words is "twenty billion, twenty-three million, four hundred forty-three thousand, three hundred thirty".