20032333121 has 4 divisors (see below), whose sum is σ = 20108501952. Its totient is φ = 19956164292.

The previous prime is 20032333117. The next prime is 20032333147. The reversal of 20032333121 is 12133323002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20032333121 - 2² = 20032333117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20032333093 and 20032333102.

It is not an unprimeable number, because it can be changed into a prime (20032333921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38084021 + ... + 38084546.

It is an arithmetic number, because the mean of its divisors is an integer number (5027125488).

Almost surely, 2^20032333121 is an apocalyptic number.

It is an amenable number.

20032333121 is a deficient number, since it is larger than the sum of its proper divisors (76168831).

20032333121 is an equidigital number, since it uses as much as digits as its factorization.

20032333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76168830.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20032333121 its reverse (12133323002), we get a palindrome (32165656123).

The spelling of 20032333121 in words is "twenty billion, thirty-two million, three hundred thirty-three thousand, one hundred twenty-one".