20321242330 has 48 divisors (see below), whose sum is σ = 38743091424. Its totient is φ = 7673084640.

The previous prime is 20321242327. The next prime is 20321242343. The reversal of 20321242330 is 3324212302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1011685 + ... + 1031575.

It is an arithmetic number, because the mean of its divisors is an integer number (807147738).

Almost surely, 2^20321242330 is an apocalyptic number.

20321242330 is a deficient number, since it is larger than the sum of its proper divisors (18421849094).

20321242330 is a wasteful number, since it uses less digits than its factorization.

20321242330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20219 (or 20200 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20321242330 its reverse (3324212302), we get a palindrome (23645454632).

It can be divided in two parts, 203212 and 42330, that added together give a palindrome (245542).

The spelling of 20321242330 in words is "twenty billion, three hundred twenty-one million, two hundred forty-two thousand, three hundred thirty".