2705724020 has 48 divisors (see below), whose sum is σ = 5872677888. Its totient is φ = 1046062080.

The previous prime is 2705724017. The next prime is 2705724023. The reversal of 2705724020 is 204275072.

It is an interprime number because it is at equal distance from previous prime (2705724017) and next prime (2705724023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2705724023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597284 + ... + 601796.

It is an arithmetic number, because the mean of its divisors is an integer number (122347456).

Almost surely, 2^2705724020 is an apocalyptic number.

2705724020 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 2705724020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2936338944).

2705724020 is an abundant number, since it is smaller than the sum of its proper divisors (3166953868).

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

2705724020 is a wasteful number, since it uses less digits than its factorization.

2705724020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5520 (or 5518 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 2705724020 is about 52016.5744739117. The cubic root of 2705724020 is about 1393.4599757959.

Adding to 2705724020 its reverse (204275072), we get a palindrome (2909999092).

The spelling of 2705724020 in words is "two billion, seven hundred five million, seven hundred twenty-four thousand, twenty".