20003011312 has 40 divisors (see below), whose sum is σ = 40610257920. Its totient is φ = 9526587840.

The previous prime is 20003011307. The next prime is 20003011313. The reversal of 20003011312 is 21311030002.

It is a super-2 number, since 2×20003011312² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20003011292 and 20003011301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003011313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25764 + ... + 201667.

It is an arithmetic number, because the mean of its divisors is an integer number (1015256448).

Almost surely, 2^20003011312 is an apocalyptic number.

It is an amenable number.

20003011312 is an abundant number, since it is smaller than the sum of its proper divisors (20607246608).

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

20003011312 is a wasteful number, since it uses less digits than its factorization.

20003011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227701 (or 227695 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20003011312 its reverse (21311030002), we get a palindrome (41314041314).

The spelling of 20003011312 in words is "twenty billion, three million, eleven thousand, three hundred twelve".