20203313412 has 48 divisors (see below), whose sum is σ = 47554304000. Its totient is φ = 6675657120.

The previous prime is 20203313411. The next prime is 20203313437. The reversal of 20203313412 is 21431330202.

It is not an unprimeable number, because it can be changed into a prime (20203313411) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 631539 + ... + 662757.

Almost surely, 2^20203313412 is an apocalyptic number.

It is an amenable number.

20203313412 is an abundant number, since it is smaller than the sum of its proper divisors (27350990588).

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

20203313412 is a wasteful number, since it uses less digits than its factorization.

20203313412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31696 (or 31694 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20203313412 its reverse (21431330202), we get a palindrome (41634643614).

The spelling of 20203313412 in words is "twenty billion, two hundred three million, three hundred thirteen thousand, four hundred twelve".