320223020302 has 4 divisors (see below), whose sum is σ = 480334530456. Its totient is φ = 160111510150.

The previous prime is 320223020291. The next prime is 320223020309. The reversal of 320223020302 is 203020322023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203020322023 = 353 ⋅575128391.

It is a self number, because there is not a number n which added to its sum of digits gives 320223020302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320223020309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80055755074 + ... + 80055755077.

It is an arithmetic number, because the mean of its divisors is an integer number (120083632614).

Almost surely, 2^320223020302 is an apocalyptic number.

320223020302 is a deficient number, since it is larger than the sum of its proper divisors (160111510154).

320223020302 is a wasteful number, since it uses less digits than its factorization.

320223020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160111510153.

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 320223020302 its reverse (203020322023), we get a palindrome (523243342325).

The spelling of 320223020302 in words is "three hundred twenty billion, two hundred twenty-three million, twenty thousand, three hundred two".