221020230130 has 32 divisors (see below), whose sum is σ = 454976165376. Its totient is φ = 75727368384.

The previous prime is 221020230031. The next prime is 221020230157. The reversal of 221020230130 is 31032020122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 957589 + ... + 1165768.

It is an arithmetic number, because the mean of its divisors is an integer number (14218005168).

Almost surely, 2^221020230130 is an apocalyptic number.

221020230130 is an abundant number, since it is smaller than the sum of its proper divisors (233955935246).

221020230130 is a wasteful number, since it uses less digits than its factorization.

221020230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124858.

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

Adding to 221020230130 its reverse (31032020122), we get a palindrome (252052250252).

The spelling of 221020230130 in words is "two hundred twenty-one billion, twenty million, two hundred thirty thousand, one hundred thirty".