2113032020 has 24 divisors (see below), whose sum is σ = 4840764768. Its totient is φ = 768375200.

The previous prime is 2113032007. The next prime is 2113032023. The reversal of 2113032020 is 202303112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2113031986 and 2113032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113032023) 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 7 ways as a sum of consecutive naturals, for example, 4802126 + ... + 4802565.

It is an arithmetic number, because the mean of its divisors is an integer number (201698532).

Almost surely, 2^2113032020 is an apocalyptic number.

2113032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113032020 is an abundant number, since it is smaller than the sum of its proper divisors (2727732748).

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

2113032020 is a wasteful number, since it uses less digits than its factorization.

2113032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9604711 (or 9604709 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2113032020 is about 45967.7280273890. The cubic root of 2113032020 is about 1283.2226777400. Note that the first 3 decimals are identical.

Adding to 2113032020 its reverse (202303112), we get a palindrome (2315335132).

The spelling of 2113032020 in words is "two billion, one hundred thirteen million, thirty-two thousand, twenty".