320520462430 has 16 divisors (see below), whose sum is σ = 659356380000. Its totient is φ = 109892729952.

The previous prime is 320520462391. The next prime is 320520462461. The reversal of 320520462430 is 34264025023.

It is a super-3 number, since 3×320520462430³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320520462392 and 320520462401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2289431805 + ... + 2289431944.

It is an arithmetic number, because the mean of its divisors is an integer number (41209773750).

Almost surely, 2^320520462430 is an apocalyptic number.

320520462430 is an abundant number, since it is smaller than the sum of its proper divisors (338835917570).

320520462430 is a wasteful number, since it uses less digits than its factorization.

320520462430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578863763.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 320520462430 its reverse (34264025023), we get a palindrome (354784487453).

The spelling of 320520462430 in words is "three hundred twenty billion, five hundred twenty million, four hundred sixty-two thousand, four hundred thirty".