20323202331 has 8 divisors (see below), whose sum is σ = 27098276944. Its totient is φ = 13548464640.

The previous prime is 20323202329. The next prime is 20323202353. The reversal of 20323202331 is 13320232302.

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

It is not a de Polignac number, because 20323202331 - 2¹ = 20323202329 is a prime.

It is a super-2 number, since 2×20323202331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20323202298 and 20323202307.

It is not an unprimeable number, because it can be changed into a prime (20323201331) 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, 147951 + ... + 250071.

It is an arithmetic number, because the mean of its divisors is an integer number (3387284618).

Almost surely, 2^20323202331 is an apocalyptic number.

20323202331 is a deficient number, since it is larger than the sum of its proper divisors (6775074613).

20323202331 is a wasteful number, since it uses less digits than its factorization.

20323202331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168461.

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

Adding to 20323202331 its reverse (13320232302), we get a palindrome (33643434633).

The spelling of 20323202331 in words is "twenty billion, three hundred twenty-three million, two hundred two thousand, three hundred thirty-one".