2670128020 has 96 divisors (see below), whose sum is σ = 6647961600. Its totient is φ = 881416704.

The previous prime is 2670128009. The next prime is 2670128033. The reversal of 2670128020 is 208210762.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 2670128020.

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, 1944054 + ... + 1945426.

It is an arithmetic number, because the mean of its divisors is an integer number (69249600).

Almost surely, 2^2670128020 is an apocalyptic number.

2670128020 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 2670128020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3323980800).

2670128020 is an abundant number, since it is smaller than the sum of its proper divisors (3977833580).

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

2670128020 is a wasteful number, since it uses less digits than its factorization.

2670128020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1895 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2670128020 is about 51673.2814905344. The cubic root of 2670128020 is about 1387.3222813798.

Adding to 2670128020 its reverse (208210762), we get a palindrome (2878338782).

The spelling of 2670128020 in words is "two billion, six hundred seventy million, one hundred twenty-eight thousand, twenty".