20123213330 has 16 divisors (see below), whose sum is σ = 39514673664. Its totient is φ = 7317532080.

The previous prime is 20123213317. The next prime is 20123213339. The reversal of 20123213330 is 3331232102.

It is not an unprimeable number, because it can be changed into a prime (20123213339) 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, 91469042 + ... + 91469261.

It is an arithmetic number, because the mean of its divisors is an integer number (2469667104).

Almost surely, 2^20123213330 is an apocalyptic number.

20123213330 is a deficient number, since it is larger than the sum of its proper divisors (19391460334).

20123213330 is a wasteful number, since it uses less digits than its factorization.

20123213330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182938321.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20123213330 its reverse (3331232102), we get a palindrome (23454445432).

The spelling of 20123213330 in words is "twenty billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred thirty".