20332132121 has 8 divisors (see below), whose sum is σ = 23239095360. Its totient is φ = 17425762128.

The previous prime is 20332132103. The next prime is 20332132129. The reversal of 20332132121 is 12123123302.

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 20332132121 - 2⁶ = 20332132057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332132093 and 20332132102.

It is not an unprimeable number, because it can be changed into a prime (20332132129) 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, 72266 + ... + 214211.

It is an arithmetic number, because the mean of its divisors is an integer number (2904886920).

Almost surely, 2^20332132121 is an apocalyptic number.

It is an amenable number.

20332132121 is a deficient number, since it is larger than the sum of its proper divisors (2906963239).

20332132121 is a wasteful number, since it uses less digits than its factorization.

20332132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296623.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20332132121 its reverse (12123123302), we get a palindrome (32455255423).

The spelling of 20332132121 in words is "twenty billion, three hundred thirty-two million, one hundred thirty-two thousand, one hundred twenty-one".