20132133021 has 96 divisors (see below), whose sum is σ = 39114915840. Its totient is φ = 9636278400.

The previous prime is 20132133019. The next prime is 20132133041. The reversal of 20132133021 is 12033123102.

It is not a de Polignac number, because 20132133021 - 2¹ = 20132133019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20132132985 and 20132133003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132133041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5935236 + ... + 5938626.

It is an arithmetic number, because the mean of its divisors is an integer number (407447040).

Almost surely, 2^20132133021 is an apocalyptic number.

20132133021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20132133021 is a deficient number, since it is larger than the sum of its proper divisors (18982782819).

20132133021 is a wasteful number, since it uses less digits than its factorization.

20132133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087 (or 4084 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20132133021 its reverse (12033123102), we get a palindrome (32165256123).

The spelling of 20132133021 in words is "twenty billion, one hundred thirty-two million, one hundred thirty-three thousand, twenty-one".