221300301020 has 12 divisors (see below), whose sum is σ = 464730632184. Its totient is φ = 88520120400.

The previous prime is 221300301017. The next prime is 221300301023. The reversal of 221300301020 is 20103003122.

It is a happy number.

221300301020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221300301017) and next prime (221300301023).

It is a super-2 number, since 2×221300301020² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221300300986 and 221300301004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221300301023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5532507506 + ... + 5532507545.

It is an arithmetic number, because the mean of its divisors is an integer number (38727552682).

Almost surely, 2^221300301020 is an apocalyptic number.

221300301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221300301020 is an abundant number, since it is smaller than the sum of its proper divisors (243430331164).

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

221300301020 is a wasteful number, since it uses less digits than its factorization.

221300301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065015060 (or 11065015058 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 221300301020 its reverse (20103003122), we get a palindrome (241403304142).

The spelling of 221300301020 in words is "two hundred twenty-one billion, three hundred million, three hundred one thousand, twenty".