20310203212 has 48 divisors (see below), whose sum is σ = 40583797632. Its totient is φ = 8810496000.

The previous prime is 20310203203. The next prime is 20310203237. The reversal of 20310203212 is 21230201302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648588 + ... + 679180.

It is an arithmetic number, because the mean of its divisors is an integer number (845495784).

Almost surely, 2^20310203212 is an apocalyptic number.

It is an amenable number.

20310203212 is a deficient number, since it is larger than the sum of its proper divisors (20273594420).

20310203212 is a wasteful number, since it uses less digits than its factorization.

20310203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31378 (or 31376 counting only the distinct ones).

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

Adding to 20310203212 its reverse (21230201302), we get a palindrome (41540404514).

The spelling of 20310203212 in words is "twenty billion, three hundred ten million, two hundred three thousand, two hundred twelve".