20432302203 has 8 divisors (see below), whose sum is σ = 27243754816. Its totient is φ = 13621192200.

The previous prime is 20432302201. The next prime is 20432302211. The reversal of 20432302203 is 30220323402.

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

It is not a de Polignac number, because 20432302203 - 2¹ = 20432302201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20432302203.

It is not an unprimeable number, because it can be changed into a prime (20432302201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133908 + ... + 242478.

It is an arithmetic number, because the mean of its divisors is an integer number (3405469352).

Almost surely, 2^20432302203 is an apocalyptic number.

20432302203 is a deficient number, since it is larger than the sum of its proper divisors (6811452613).

20432302203 is a wasteful number, since it uses less digits than its factorization.

20432302203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171305.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20432302203 its reverse (30220323402), we get a palindrome (50652625605).

The spelling of 20432302203 in words is "twenty billion, four hundred thirty-two million, three hundred two thousand, two hundred three".