113302420 has 192 divisors, whose sum is σ = 319334400. Its totient is φ = 32739840.

The previous prime is 113302417. The next prime is 113302459. The reversal of 113302420 is 24203311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 113302394 and 113302403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1920351 + ... + 1920409.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^113302420 is an apocalyptic number.

113302420 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 113302420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159667200).

113302420 is an abundant number, since it is smaller than the sum of its proper divisors (206031980).

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

113302420 is a wasteful number, since it uses less digits than its factorization.

113302420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 156 counting only the distinct ones).

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

The square root of 113302420 is about 10644.3609484083. The cubic root of 113302420 is about 483.8897194272.

Adding to 113302420 its reverse (24203311), we get a palindrome (137505731).

The spelling of 113302420 in words is "one hundred thirteen million, three hundred two thousand, four hundred twenty".