20203332312 has 32 divisors (see below), whose sum is σ = 50818207680. Its totient is φ = 6693127200.

The previous prime is 20203332283. The next prime is 20203332337. The reversal of 20203332312 is 21323330202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2578314 + ... + 2586137.

It is an arithmetic number, because the mean of its divisors is an integer number (1588068990).

Almost surely, 2^20203332312 is an apocalyptic number.

It is an amenable number.

20203332312 is an abundant number, since it is smaller than the sum of its proper divisors (30614875368).

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

20203332312 is a wasteful number, since it uses less digits than its factorization.

20203332312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164623 (or 5164619 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20203332312 its reverse (21323330202), we get a palindrome (41526662514).

The spelling of 20203332312 in words is "twenty billion, two hundred three million, three hundred thirty-two thousand, three hundred twelve".