20203210312 has 16 divisors (see below), whose sum is σ = 40109314860. Its totient is φ = 9507393024.

The previous prime is 20203210297. The next prime is 20203210409. The reversal of 20203210312 is 21301230202.

It can be written as a sum of positive squares in 2 ways, for example, as 20202073956 + 1136356 = 142134^2 + 1066^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74276373 + ... + 74276644.

Almost surely, 2^20203210312 is an apocalyptic number.

It is an amenable number.

20203210312 is a deficient number, since it is larger than the sum of its proper divisors (19906104548).

20203210312 is a wasteful number, since it uses less digits than its factorization.

20203210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148553040 (or 148553036 counting only the distinct ones).

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

Adding to 20203210312 its reverse (21301230202), we get a palindrome (41504440514).

The spelling of 20203210312 in words is "twenty billion, two hundred three million, two hundred ten thousand, three hundred twelve".