20032215303 has 4 divisors (see below), whose sum is σ = 26709620408. Its totient is φ = 13354810200.

The previous prime is 20032215293. The next prime is 20032215347. The reversal of 20032215303 is 30351223002.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20032215303 - 2⁵ = 20032215271 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 20032215303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032215383) 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, 3338702548 + ... + 3338702553.

It is an arithmetic number, because the mean of its divisors is an integer number (6677405102).

Almost surely, 2^20032215303 is an apocalyptic number.

20032215303 is a deficient number, since it is larger than the sum of its proper divisors (6677405105).

20032215303 is an equidigital number, since it uses as much as digits as its factorization.

20032215303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677405104.

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 20032215303 its reverse (30351223002), we get a palindrome (50383438305).

The spelling of 20032215303 in words is "twenty billion, thirty-two million, two hundred fifteen thousand, three hundred three".