20131332130 has 64 divisors (see below), whose sum is σ = 46537763328. Its totient is φ = 6094218240.

The previous prime is 20131332113. The next prime is 20131332139. The reversal of 20131332130 is 3123313102.

It is a junction number, because it is equal to n+sod(n) for n = 20131332098 and 20131332107.

It is not an unprimeable number, because it can be changed into a prime (20131332139) 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 31 ways as a sum of consecutive naturals, for example, 459991 + ... + 501850.

It is an arithmetic number, because the mean of its divisors is an integer number (727152552).

Almost surely, 2^20131332130 is an apocalyptic number.

20131332130 is an abundant number, since it is smaller than the sum of its proper divisors (26406431198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20131332130 is a wasteful number, since it uses less digits than its factorization.

20131332130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961891.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20131332130 its reverse (3123313102), we get a palindrome (23254645232).

The spelling of 20131332130 in words is "twenty billion, one hundred thirty-one million, three hundred thirty-two thousand, one hundred thirty".