20213200312 has 16 divisors (see below), whose sum is σ = 39894474600. Its totient is φ = 9574673760.

The previous prime is 20213200291. The next prime is 20213200393. The reversal of 20213200312 is 21300231202.

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, 66490639 + ... + 66490942.

Almost surely, 2^20213200312 is an apocalyptic number.

It is an amenable number.

20213200312 is a deficient number, since it is larger than the sum of its proper divisors (19681274288).

20213200312 is a wasteful number, since it uses less digits than its factorization.

20213200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132981606 (or 132981602 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20213200312 its reverse (21300231202), we get a palindrome (41513431514).

The spelling of 20213200312 in words is "twenty billion, two hundred thirteen million, two hundred thousand, three hundred twelve".