320020312142 has 8 divisors (see below), whose sum is σ = 484783245432. Its totient is φ = 158425897000.

The previous prime is 320020312093. The next prime is 320020312153. The reversal of 320020312142 is 241213020023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×320020312142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792129284 + ... + 792129687.

It is an arithmetic number, because the mean of its divisors is an integer number (60597905679).

Almost surely, 2^320020312142 is an apocalyptic number.

320020312142 is a deficient number, since it is larger than the sum of its proper divisors (164762933290).

320020312142 is a wasteful number, since it uses less digits than its factorization.

320020312142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584259074.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 320020312142 its reverse (241213020023), we get a palindrome (561233332165).

The spelling of 320020312142 in words is "three hundred twenty billion, twenty million, three hundred twelve thousand, one hundred forty-two".