2081372020 has 96 divisors (see below), whose sum is σ = 5489568000. Its totient is φ = 658691712.

The previous prime is 2081372009. The next prime is 2081372057. The reversal of 2081372020 is 202731802.

2081372020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77511 + ... + 100849.

It is an arithmetic number, because the mean of its divisors is an integer number (57183000).

Almost surely, 2^2081372020 is an apocalyptic number.

2081372020 is a gapful number since it is divisible by the number (20) 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 2081372020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744784000).

2081372020 is an abundant number, since it is smaller than the sum of its proper divisors (3408195980).

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

2081372020 is a wasteful number, since it uses less digits than its factorization.

2081372020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23382 (or 23366 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2081372020 is about 45622.0562885980. The cubic root of 2081372020 is about 1276.7814687087.

The spelling of 2081372020 in words is "two billion, eighty-one million, three hundred seventy-two thousand, twenty".