2032656021 has 12 divisors (see below), whose sum is σ = 3202973280. Its totient is φ = 1231912680.

The previous prime is 2032656011. The next prime is 2032656079. The reversal of 2032656021 is 1206562302.

2032656021 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 656 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 2032656021 - 2⁹ = 2032655509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2032656001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10265841 + ... + 10266038.

It is an arithmetic number, because the mean of its divisors is an integer number (266914440).

Almost surely, 2^2032656021 is an apocalyptic number.

It is an amenable number.

2032656021 is a deficient number, since it is larger than the sum of its proper divisors (1170317259).

2032656021 is a wasteful number, since it uses less digits than its factorization.

2032656021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20531896 (or 20531893 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2032656021 is about 45084.9866474417. The cubic root of 2032656021 is about 1266.7413973069.

The spelling of 2032656021 in words is "two billion, thirty-two million, six hundred fifty-six thousand, twenty-one".