20332322121 has 8 divisors (see below), whose sum is σ = 27167815584. Its totient is φ = 13525855040.

The previous prime is 20332322117. The next prime is 20332322137. The reversal of 20332322121 is 12122323302.

It is a happy number.

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 20332322121 - 2² = 20332322117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20332322141) 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, 7254960 + ... + 7257761.

It is an arithmetic number, because the mean of its divisors is an integer number (3395976948).

Almost surely, 2^20332322121 is an apocalyptic number.

It is an amenable number.

20332322121 is a deficient number, since it is larger than the sum of its proper divisors (6835493463).

20332322121 is a wasteful number, since it uses less digits than its factorization.

20332322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14513191.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20332322121 its reverse (12122323302), we get a palindrome (32454645423).

The spelling of 20332322121 in words is "twenty billion, three hundred thirty-two million, three hundred twenty-two thousand, one hundred twenty-one".