2102060720 has 40 divisors (see below), whose sum is σ = 4915573776. Its totient is φ = 835958528.

The previous prime is 2102060717. The next prime is 2102060729. The reversal of 2102060720 is 270602012.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2102060692 and 2102060701.

It is not an unprimeable number, because it can be changed into a prime (2102060729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62102 + ... + 89781.

Almost surely, 2^2102060720 is an apocalyptic number.

2102060720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102060720 is an abundant number, since it is smaller than the sum of its proper divisors (2813513056).

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

2102060720 is a wasteful number, since it uses less digits than its factorization.

2102060720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152069 (or 152063 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2102060720 is about 45848.2357348677. The cubic root of 2102060720 is about 1280.9979034609.

Adding to 2102060720 its reverse (270602012), we get a palindrome (2372662732).

The spelling of 2102060720 in words is "two billion, one hundred two million, sixty thousand, seven hundred twenty".