320020011142 has 64 divisors (see below), whose sum is σ = 538767391680. Its totient is φ = 141548327424.

The previous prime is 320020011083. The next prime is 320020011193. The reversal of 320020011142 is 241110020023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95612313 + ... + 95615659.

It is an arithmetic number, because the mean of its divisors is an integer number (8418240495).

Almost surely, 2^320020011142 is an apocalyptic number.

320020011142 is a deficient number, since it is larger than the sum of its proper divisors (218747380538).

320020011142 is a wasteful number, since it uses less digits than its factorization.

320020011142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 320020011142 its reverse (241110020023), we get a palindrome (561130031165).

The spelling of 320020011142 in words is "three hundred twenty billion, twenty million, eleven thousand, one hundred forty-two".