20432211303 has 16 divisors (see below), whose sum is σ = 31139168256. Its totient is φ = 11673910560.

The previous prime is 20432211287. The next prime is 20432211323. The reversal of 20432211303 is 30311223402.

It is not a de Polignac number, because 20432211303 - 2⁴ = 20432211287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 20432211303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432211323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93850 + ... + 222872.

It is an arithmetic number, because the mean of its divisors is an integer number (1946198016).

Almost surely, 2^20432211303 is an apocalyptic number.

20432211303 is a deficient number, since it is larger than the sum of its proper divisors (10706956953).

20432211303 is a wasteful number, since it uses less digits than its factorization.

20432211303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136574.

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

Adding to 20432211303 its reverse (30311223402), we get a palindrome (50743434705).

The spelling of 20432211303 in words is "twenty billion, four hundred thirty-two million, two hundred eleven thousand, three hundred three".