20143111332 has 12 divisors (see below), whose sum is σ = 47000593136. Its totient is φ = 6714370440.

The previous prime is 20143111321. The next prime is 20143111333. The reversal of 20143111332 is 23311134102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20143111299 and 20143111308.

It is not an unprimeable number, because it can be changed into a prime (20143111333) 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, 839296294 + ... + 839296317.

Almost surely, 2^20143111332 is an apocalyptic number.

It is an amenable number.

20143111332 is an abundant number, since it is smaller than the sum of its proper divisors (26857481804).

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

20143111332 is a wasteful number, since it uses less digits than its factorization.

20143111332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678592618 (or 1678592616 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20143111332 its reverse (23311134102), we get a palindrome (43454245434).

The spelling of 20143111332 in words is "twenty billion, one hundred forty-three million, one hundred eleven thousand, three hundred thirty-two".