113333011020 has 144 divisors (see below), whose sum is σ = 354570023808. Its totient is φ = 29286028800.

The previous prime is 113333011009. The next prime is 113333011031. The reversal of 113333011020 is 20110333311.

It is a happy number.

113333011020 is a `hidden beast` number, since 1 + 1 + 333 + 301 + 10 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (113333011009) and next prime (113333011031).

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 = 113333010984 and 113333011002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 788142 + ... + 920778.

It is an arithmetic number, because the mean of its divisors is an integer number (2462291832).

Almost surely, 2^113333011020 is an apocalyptic number.

113333011020 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 113333011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177285011904).

113333011020 is an abundant number, since it is smaller than the sum of its proper divisors (241237012788).

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

113333011020 is a wasteful number, since it uses less digits than its factorization.

113333011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132800 (or 132795 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 113333011020 its reverse (20110333311), we get a palindrome (133443344331).

The spelling of 113333011020 in words is "one hundred thirteen billion, three hundred thirty-three million, eleven thousand, twenty".