20933205012 has 72 divisors (see below), whose sum is σ = 53533089792. Its totient is φ = 6896635200.

The previous prime is 20933204969. The next prime is 20933205019. The reversal of 20933205012 is 21050233902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20933205019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1069837 + ... + 1089227.

It is an arithmetic number, because the mean of its divisors is an integer number (743515136).

Almost surely, 2^20933205012 is an apocalyptic number.

It is an amenable number.

20933205012 is an abundant number, since it is smaller than the sum of its proper divisors (32599884780).

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

20933205012 is a wasteful number, since it uses less digits than its factorization.

20933205012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19749 (or 19744 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 20933205012 its reverse (21050233902), we get a palindrome (41983438914).

The spelling of 20933205012 in words is "twenty billion, nine hundred thirty-three million, two hundred five thousand, twelve".