20320300212 has 96 divisors (see below), whose sum is σ = 48751597440. Its totient is φ = 6585384960.

The previous prime is 20320300201. The next prime is 20320300213. The reversal of 20320300212 is 21200302302.

It is a junction number, because it is equal to n+sod(n) for n = 20320300191 and 20320300200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320300213) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 32933728 + ... + 32934344.

It is an arithmetic number, because the mean of its divisors is an integer number (507829140).

Almost surely, 2^20320300212 is an apocalyptic number.

It is an amenable number.

20320300212 is an abundant number, since it is smaller than the sum of its proper divisors (28431297228).

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

20320300212 is a wasteful number, since it uses less digits than its factorization.

20320300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20320300212 its reverse (21200302302), we get a palindrome (41520602514).

The spelling of 20320300212 in words is "twenty billion, three hundred twenty million, three hundred thousand, two hundred twelve".