113221300300020 has 216 divisors, whose sum is σ = 377566706200320. Its totient is φ = 27442585526400.

The previous prime is 113221300300019. The next prime is 113221300300033. The reversal of 113221300300020 is 20003003122311.

113221300300020 is a `hidden beast` number, since 1 + 132 + 213 + 0 + 0 + 300 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113221300299966 and 113221300300002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 119732865 + ... + 120674775.

Almost surely, 2^{113221300300020} is an apocalyptic number.

113221300300020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113221300300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188783353100160).

113221300300020 is an abundant number, since it is smaller than the sum of its proper divisors (264345405900300).

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

113221300300020 is a wasteful number, since it uses less digits than its factorization.

113221300300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947467 (or 947451 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 113221300300020 its reverse (20003003122311), we get a palindrome (133224303422331).

The spelling of 113221300300020 in words is "one hundred thirteen trillion, two hundred twenty-one billion, three hundred million, three hundred thousand, twenty".