2113220032 has 112 divisors (see below), whose sum is σ = 5356189440. Its totient is φ = 803174400.

The previous prime is 2113220023. The next prime is 2113220047. The reversal of 2113220032 is 2300223112.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2113219988 and 2113220015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196819 + ... + 207277.

It is an arithmetic number, because the mean of its divisors is an integer number (47823120).

Almost surely, 2^2113220032 is an apocalyptic number.

2113220032 is a gapful number since it is divisible by the number (22) 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 2113220032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678094720).

2113220032 is an abundant number, since it is smaller than the sum of its proper divisors (3242969408).

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

2113220032 is a wasteful number, since it uses less digits than its factorization.

2113220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530 (or 10520 counting only the distinct ones).

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

The square root of 2113220032 is about 45969.7730253261. The cubic root of 2113220032 is about 1283.2607358644.

Adding to 2113220032 its reverse (2300223112), we get a palindrome (4413443144).

The spelling of 2113220032 in words is "two billion, one hundred thirteen million, two hundred twenty thousand, thirty-two".