20331211130 has 8 divisors (see below), whose sum is σ = 36596180052. Its totient is φ = 8132484448.

The previous prime is 20331211129. The next prime is 20331211181. The reversal of 20331211130 is 3111213302.

It can be written as a sum of positive squares in 2 ways, for example, as 20321357809 + 9853321 = 142553^2 + 3139^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20331211099 and 20331211108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016560547 + ... + 1016560566.

Almost surely, 2^20331211130 is an apocalyptic number.

20331211130 is a deficient number, since it is larger than the sum of its proper divisors (16264968922).

20331211130 is a wasteful number, since it uses less digits than its factorization.

20331211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033121120.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20331211130 its reverse (3111213302), we get a palindrome (23442424432).

The spelling of 20331211130 in words is "twenty billion, three hundred thirty-one million, two hundred eleven thousand, one hundred thirty".