20331032133 has 8 divisors (see below), whose sum is σ = 27109519200. Its totient is φ = 13553283248.

The previous prime is 20331032131. The next prime is 20331032159. The reversal of 20331032133 is 33123013302.

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

It is a cyclic number.

It is not a de Polignac number, because 20331032133 - 2¹ = 20331032131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331032131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116718 + ... + 232991.

It is an arithmetic number, because the mean of its divisors is an integer number (3388689900).

Almost surely, 2^20331032133 is an apocalyptic number.

It is an amenable number.

20331032133 is a deficient number, since it is larger than the sum of its proper divisors (6778487067).

20331032133 is a wasteful number, since it uses less digits than its factorization.

20331032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369091.

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

Adding to 20331032133 its reverse (33123013302), we get a palindrome (53454045435).

The spelling of 20331032133 in words is "twenty billion, three hundred thirty-one million, thirty-two thousand, one hundred thirty-three".