20330031132 has 48 divisors (see below), whose sum is σ = 52839040800. Its totient is φ = 6759763200.

The previous prime is 20330031101. The next prime is 20330031143. The reversal of 20330031132 is 23113003302.

20330031132 is a `hidden beast` number, since 20 + 3 + 300 + 311 + 32 = 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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191407 + ... + 278022.

It is an arithmetic number, because the mean of its divisors is an integer number (1100813350).

Almost surely, 2^20330031132 is an apocalyptic number.

It is an amenable number.

20330031132 is an abundant number, since it is smaller than the sum of its proper divisors (32509009668).

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

20330031132 is a wasteful number, since it uses less digits than its factorization.

20330031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469843 (or 469835 counting only the distinct ones).

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

Adding to 20330031132 its reverse (23113003302), we get a palindrome (43443034434).

It can be divided in two parts, 203300 and 31132, that added together give a palindrome (234432).

The spelling of 20330031132 in words is "twenty billion, three hundred thirty million, thirty-one thousand, one hundred thirty-two".