20130310332 has 72 divisors (see below), whose sum is σ = 57924397440. Its totient is φ = 5834869920.

The previous prime is 20130310327. The next prime is 20130310373. The reversal of 20130310332 is 23301303102.

20130310332 is a `hidden beast` number, since 20 + 1 + 3 + 0 + 310 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1095982 + ... + 1114197.

It is an arithmetic number, because the mean of its divisors is an integer number (804505520).

Almost surely, 2^20130310332 is an apocalyptic number.

20130310332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20130310332 is an abundant number, since it is smaller than the sum of its proper divisors (37794087108).

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

20130310332 is a wasteful number, since it uses less digits than its factorization.

20130310332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210223 (or 2210218 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20130310332 its reverse (23301303102), we get a palindrome (43431613434).

The spelling of 20130310332 in words is "twenty billion, one hundred thirty million, three hundred ten thousand, three hundred thirty-two".