20212312304 has 20 divisors (see below), whose sum is σ = 39549094440. Its totient is φ = 10006094400.

The previous prime is 20212312279. The next prime is 20212312313. The reversal of 20212312304 is 40321321202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6252194 + ... + 6255425.

It is an arithmetic number, because the mean of its divisors is an integer number (1977454722).

Almost surely, 2^20212312304 is an apocalyptic number.

It is an amenable number.

20212312304 is a deficient number, since it is larger than the sum of its proper divisors (19336782136).

20212312304 is a wasteful number, since it uses less digits than its factorization.

20212312304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507728 (or 12507722 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20212312304 its reverse (40321321202), we get a palindrome (60533633506).

The spelling of 20212312304 in words is "twenty billion, two hundred twelve million, three hundred twelve thousand, three hundred four".