4020322231342 has 16 divisors (see below), whose sum is σ = 6340713996672. Its totient is φ = 1908085224760.

The previous prime is 4020322231337. The next prime is 4020322231351. The reversal of 4020322231342 is 2431322230204.

It is a self number, because there is not a number n which added to its sum of digits gives 4020322231342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333575308 + ... + 333587359.

It is an arithmetic number, because the mean of its divisors is an integer number (396294624792).

Almost surely, 2^{4020322231342} is an apocalyptic number.

4020322231342 is a deficient number, since it is larger than the sum of its proper divisors (2320391765330).

4020322231342 is a wasteful number, since it uses less digits than its factorization.

4020322231342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667162823.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 4020322231342 its reverse (2431322230204), we get a palindrome (6451644461546).

The spelling of 4020322231342 in words is "four trillion, twenty billion, three hundred twenty-two million, two hundred thirty-one thousand, three hundred forty-two".