2113204032 has 224 divisors, whose sum is σ = 6491996160. Its totient is φ = 673297920.

The previous prime is 2113204031. The next prime is 2113204043. The reversal of 2113204032 is 2304023112.

It is a super-2 number, since 2×2113204032² = 8931262561722114048, which contains 22 as substring.

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 = 2113203996 and 2113204014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113204031) 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 31 ways as a sum of consecutive naturals, for example, 5517313 + ... + 5517695.

Almost surely, 2^2113204032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113204032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3245998080).

2113204032 is an abundant number, since it is smaller than the sum of its proper divisors (4378792128).

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

2113204032 is a wasteful number, since it uses less digits than its factorization.

2113204032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2113204032 is about 45969.5989975984. The cubic root of 2113204032 is about 1283.2574971697.

Adding to 2113204032 its reverse (2304023112), we get a palindrome (4417227144).

The spelling of 2113204032 in words is "two billion, one hundred thirteen million, two hundred four thousand, thirty-two".