320620361022 has 384 divisors, whose sum is σ = 827104037760. Its totient is φ = 92386344960.

The previous prime is 320620360987. The next prime is 320620361071. The reversal of 320620361022 is 220163026023.

320620361022 is a `hidden beast` number, since 3 + 2 + 0 + 6 + 20 + 3 + 610 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1330374822 + ... + 1330375062.

It is an arithmetic number, because the mean of its divisors is an integer number (2153916765).

Almost surely, 2^320620361022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320620361022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413552018880).

320620361022 is an abundant number, since it is smaller than the sum of its proper divisors (506483676738).

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

320620361022 is a wasteful number, since it uses less digits than its factorization.

320620361022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 320620361022 its reverse (220163026023), we get a palindrome (540783387045).

The spelling of 320620361022 in words is "three hundred twenty billion, six hundred twenty million, three hundred sixty-one thousand, twenty-two".