1113462020 has 48 divisors (see below), whose sum is σ = 2569529088. Its totient is φ = 401928960.

The previous prime is 1113462017. The next prime is 1113462089. The reversal of 1113462020 is 202643111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1113461983 and 1113462001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11669 + ... + 48611.

It is an arithmetic number, because the mean of its divisors is an integer number (53531856).

Almost surely, 2^1113462020 is an apocalyptic number.

1113462020 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 1113462020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284764544).

1113462020 is an abundant number, since it is smaller than the sum of its proper divisors (1456067068).

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

1113462020 is a wasteful number, since it uses less digits than its factorization.

1113462020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37100 (or 37098 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1113462020 is about 33368.5783335161. The cubic root of 1113462020 is about 1036.4741361188.

The spelling of 1113462020 in words is "one billion, one hundred thirteen million, four hundred sixty-two thousand, twenty".