320133225021 has 4 divisors (see below), whose sum is σ = 426844300032. Its totient is φ = 213422150012.

The previous prime is 320133224969. The next prime is 320133225047. The reversal of 320133225021 is 120522331023.

It is a happy number.

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 320133225021 - 2⁷ = 320133224893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320133224982 and 320133225000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320133220021) 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, 53355537501 + ... + 53355537506.

It is an arithmetic number, because the mean of its divisors is an integer number (106711075008).

Almost surely, 2^320133225021 is an apocalyptic number.

It is an amenable number.

320133225021 is a deficient number, since it is larger than the sum of its proper divisors (106711075011).

320133225021 is a wasteful number, since it uses less digits than its factorization.

320133225021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106711075010.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 320133225021 its reverse (120522331023), we get a palindrome (440655556044).

The spelling of 320133225021 in words is "three hundred twenty billion, one hundred thirty-three million, two hundred twenty-five thousand, twenty-one".