20203312132 has 12 divisors (see below), whose sum is σ = 35853765696. Its totient is φ = 9959379080.

The previous prime is 20203312127. The next prime is 20203312133. The reversal of 20203312132 is 23121330202.

It is a super-2 number, since 2×20203312132² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20203312133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35568928 + ... + 35569495.

It is an arithmetic number, because the mean of its divisors is an integer number (2987813808).

Almost surely, 2^20203312132 is an apocalyptic number.

It is an amenable number.

20203312132 is a deficient number, since it is larger than the sum of its proper divisors (15650453564).

20203312132 is a wasteful number, since it uses less digits than its factorization.

20203312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71138498 (or 71138496 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20203312132 its reverse (23121330202), we get a palindrome (43324642334).

The spelling of 20203312132 in words is "twenty billion, two hundred three million, three hundred twelve thousand, one hundred thirty-two".