2127143720 has 64 divisors (see below), whose sum is σ = 5201658000. Its totient is φ = 778180608.

The previous prime is 2127143713. The next prime is 2127143761. The reversal of 2127143720 is 273417212.

It can be written as a sum of positive squares in 8 ways, for example, as 200109316 + 1927034404 = 14146^2 + 43898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37916 + ... + 75444.

Almost surely, 2^2127143720 is an apocalyptic number.

2127143720 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 2127143720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600829000).

2127143720 is an abundant number, since it is smaller than the sum of its proper divisors (3074514280).

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

2127143720 is a wasteful number, since it uses less digits than its factorization.

2127143720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37662 (or 37658 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2127143720 is about 46120.9683332863. The cubic root of 2127143720 is about 1286.0729722118.

The spelling of 2127143720 in words is "two billion, one hundred twenty-seven million, one hundred forty-three thousand, seven hundred twenty".