320223010420 has 24 divisors (see below), whose sum is σ = 672483161448. Its totient is φ = 128086377600.

The previous prime is 320223010403. The next prime is 320223010423. The reversal of 320223010420 is 24010322023.

It can be written as a sum of positive squares in 4 ways, for example, as 51063344784 + 269159665636 = 225972^2 + 518806^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320223010423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917650 + ... + 1217590.

It is an arithmetic number, because the mean of its divisors is an integer number (28020131727).

Almost surely, 2^320223010420 is an apocalyptic number.

It is an amenable number.

320223010420 is an abundant number, since it is smaller than the sum of its proper divisors (352260151028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320223010420 is a wasteful number, since it uses less digits than its factorization.

320223010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353331 (or 353329 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 320223010420 its reverse (24010322023), we get a palindrome (344233332443).

The spelling of 320223010420 in words is "three hundred twenty billion, two hundred twenty-three million, ten thousand, four hundred twenty".