2113232420 has 48 divisors (see below), whose sum is σ = 4890325440. Its totient is φ = 762120576.

The previous prime is 2113232417. The next prime is 2113232423. The reversal of 2113232420 is 242323112.

It is an interprime number because it is at equal distance from previous prime (2113232417) and next prime (2113232423).

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 = 2113232392 and 2113232401.

It is not an unprimeable number, because it can be changed into a prime (2113232423) 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 15 ways as a sum of consecutive naturals, for example, 83330 + ... + 105689.

It is an arithmetic number, because the mean of its divisors is an integer number (101881780).

Almost surely, 2^2113232420 is an apocalyptic number.

2113232420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113232420 is an abundant number, since it is smaller than the sum of its proper divisors (2777093020).

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

2113232420 is a wasteful number, since it uses less digits than its factorization.

2113232420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189084 (or 189082 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2113232420 is about 45969.9077658418. The cubic root of 2113232420 is about 1283.2632434126.

Adding to 2113232420 its reverse (242323112), we get a palindrome (2355555532).

The spelling of 2113232420 in words is "two billion, one hundred thirteen million, two hundred thirty-two thousand, four hundred twenty".