2021130276 has 72 divisors (see below), whose sum is σ = 5232517920. Its totient is φ = 606693120.

The previous prime is 2021130259. The next prime is 2021130277. The reversal of 2021130276 is 6720311202.

It is not an unprimeable number, because it can be changed into a prime (2021130277) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148860 + ... + 161868.

It is an arithmetic number, because the mean of its divisors is an integer number (72673860).

Almost surely, 2^2021130276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021130276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616258960).

2021130276 is an abundant number, since it is smaller than the sum of its proper divisors (3211387644).

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

2021130276 is a wasteful number, since it uses less digits than its factorization.

2021130276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145 (or 13132 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2021130276 is about 44956.9825055019. The cubic root of 2021130276 is about 1264.3425947715.

Adding to 2021130276 its reverse (6720311202), we get a palindrome (8741441478).

The spelling of 2021130276 in words is "two billion, twenty-one million, one hundred thirty thousand, two hundred seventy-six".