20123323202 has 8 divisors (see below), whose sum is σ = 30314534796. Its totient is φ = 10018478272.

The previous prime is 20123323133. The next prime is 20123323219. The reversal of 20123323202 is 20232332102.

It can be written as a sum of positive squares in 2 ways, for example, as 19052004841 + 1071318361 = 138029^2 + 32731^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21591083 + ... + 21592014.

Almost surely, 2^20123323202 is an apocalyptic number.

20123323202 is a deficient number, since it is larger than the sum of its proper divisors (10191211594).

20123323202 is a wasteful number, since it uses less digits than its factorization.

20123323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43183332.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20123323202 its reverse (20232332102), we get a palindrome (40355655304).

The spelling of 20123323202 in words is "twenty billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred two".