20003432331 has 8 divisors (see below), whose sum is σ = 26672023440. Its totient is φ = 13335231392.

The previous prime is 20003432299. The next prime is 20003432369. The reversal of 20003432331 is 13323430002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20003432331 - 2⁵ = 20003432299 is a prime.

It is a super-4 number, since 4×20003432331⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 20003432298 and 20003432307.

It is not an unprimeable number, because it can be changed into a prime (20003432531) 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, 57121 + ... + 208013.

It is an arithmetic number, because the mean of its divisors is an integer number (3334002930).

Almost surely, 2^20003432331 is an apocalyptic number.

20003432331 is a deficient number, since it is larger than the sum of its proper divisors (6668591109).

20003432331 is a wasteful number, since it uses less digits than its factorization.

20003432331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195085.

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

Adding to 20003432331 its reverse (13323430002), we get a palindrome (33326862333).

The spelling of 20003432331 in words is "twenty billion, three million, four hundred thirty-two thousand, three hundred thirty-one".