320025023512 has 8 divisors (see below), whose sum is σ = 600046919100. Its totient is φ = 160012511752.

The previous prime is 320025023497. The next prime is 320025023569. The reversal of 320025023512 is 215320520023.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001563962 + ... + 20001563977.

Almost surely, 2^320025023512 is an apocalyptic number.

It is an amenable number.

320025023512 is a deficient number, since it is larger than the sum of its proper divisors (280021895588).

320025023512 is a wasteful number, since it uses less digits than its factorization.

320025023512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40003127945 (or 40003127941 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 320025023512 its reverse (215320520023), we get a palindrome (535345543535).

The spelling of 320025023512 in words is "three hundred twenty billion, twenty-five million, twenty-three thousand, five hundred twelve".