2021132364 has 24 divisors (see below), whose sum is σ = 4728299520. Its totient is φ = 671950224.

The previous prime is 2021132359. The next prime is 2021132371. The reversal of 2021132364 is 4632311202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215284 + ... + 224475.

It is an arithmetic number, because the mean of its divisors is an integer number (197012480).

Almost surely, 2^2021132364 is an apocalyptic number.

It is an amenable number.

2021132364 is an abundant number, since it is smaller than the sum of its proper divisors (2707167156).

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

2021132364 is a wasteful number, since it uses less digits than its factorization.

2021132364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440149 (or 440147 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2021132364 is about 44957.0057276950. The cubic root of 2021132364 is about 1264.3430301626.

Adding to 2021132364 its reverse (4632311202), we get a palindrome (6653443566).

The spelling of 2021132364 in words is "two billion, twenty-one million, one hundred thirty-two thousand, three hundred sixty-four".