2021882017 has 4 divisors (see below), whose sum is σ = 2128296880. Its totient is φ = 1915467156.

The previous prime is 2021881957. The next prime is 2021882021. The reversal of 2021882017 is 7102881202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2021882017 - 2⁷ = 2021881889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021882017.

It is not an unprimeable number, because it can be changed into a prime (2021882047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53207403 + ... + 53207440.

It is an arithmetic number, because the mean of its divisors is an integer number (532074220).

Almost surely, 2^2021882017 is an apocalyptic number.

It is an amenable number.

2021882017 is a deficient number, since it is larger than the sum of its proper divisors (106414863).

2021882017 is a wasteful number, since it uses less digits than its factorization.

2021882017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106414862.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 2021882017 is about 44965.3423983405. The cubic root of 2021882017 is about 1264.4993289125.

The spelling of 2021882017 in words is "two billion, twenty-one million, eight hundred eighty-two thousand, seventeen".