320422400051 has 8 divisors (see below), whose sum is σ = 345995403600. Its totient is φ = 294981557472.

The previous prime is 320422400047. The next prime is 320422400057. The reversal of 320422400051 is 150004224023.

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 320422400051 - 2² = 320422400047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320422400057) 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, 33035201 + ... + 33044898.

It is an arithmetic number, because the mean of its divisors is an integer number (43249425450).

Almost surely, 2^320422400051 is an apocalyptic number.

320422400051 is a deficient number, since it is larger than the sum of its proper divisors (25573003549).

320422400051 is a wasteful number, since it uses less digits than its factorization.

320422400051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66080485.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 320422400051 its reverse (150004224023), we get a palindrome (470426624074).

The spelling of 320422400051 in words is "three hundred twenty billion, four hundred twenty-two million, four hundred thousand, fifty-one".