20133130332 has 48 divisors (see below), whose sum is σ = 53695373312. Its totient is φ = 5751570240.

The previous prime is 20133130301. The next prime is 20133130357. The reversal of 20133130332 is 23303133102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 20133130299 and 20133130308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1098282 + ... + 1116462.

Almost surely, 2^20133130332 is an apocalyptic number.

It is an amenable number.

20133130332 is an abundant number, since it is smaller than the sum of its proper divisors (33562242980).

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

20133130332 is a wasteful number, since it uses less digits than its factorization.

20133130332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31378 (or 31376 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20133130332 its reverse (23303133102), we get a palindrome (43436263434).

The spelling of 20133130332 in words is "twenty billion, one hundred thirty-three million, one hundred thirty thousand, three hundred thirty-two".