320221020130 has 16 divisors (see below), whose sum is σ = 628797639744. Its totient is φ = 116444007280.

The previous prime is 320221020121. The next prime is 320221020139. The reversal of 320221020130 is 31020122023.

It is an interprime number because it is at equal distance from previous prime (320221020121) and next prime (320221020139).

It is not an unprimeable number, because it can be changed into a prime (320221020139) 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, 1455549982 + ... + 1455550201.

It is an arithmetic number, because the mean of its divisors is an integer number (39299852484).

Almost surely, 2^320221020130 is an apocalyptic number.

320221020130 is a deficient number, since it is larger than the sum of its proper divisors (308576619614).

320221020130 is a wasteful number, since it uses less digits than its factorization.

320221020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911100201.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 320221020130 its reverse (31020122023), we get a palindrome (351241142153).

The spelling of 320221020130 in words is "three hundred twenty billion, two hundred twenty-one million, twenty thousand, one hundred thirty".