20211213232304 has 20 divisors (see below), whose sum is σ = 39801180158160. Its totient is φ = 9939940933440.

The previous prime is 20211213232279. The next prime is 20211213232337. The reversal of 20211213232304 is 40323231211202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10354104164 + ... + 10354106115.

It is an arithmetic number, because the mean of its divisors is an integer number (1990059007908).

Almost surely, 2^{20211213232304} is an apocalyptic number.

It is an amenable number.

20211213232304 is a deficient number, since it is larger than the sum of its proper divisors (19589966925856).

20211213232304 is a wasteful number, since it uses less digits than its factorization.

20211213232304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20708210348 (or 20708210342 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20211213232304 its reverse (40323231211202), we get a palindrome (60534444443506).

The spelling of 20211213232304 in words is "twenty trillion, two hundred eleven billion, two hundred thirteen million, two hundred thirty-two thousand, three hundred four".