20982205670 has 8 divisors (see below), whose sum is σ = 37767970224. Its totient is φ = 8392882264.

The previous prime is 20982205667. The next prime is 20982205691. The reversal of 20982205670 is 7650228902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049110274 + ... + 1049110293.

It is an arithmetic number, because the mean of its divisors is an integer number (4720996278).

Almost surely, 2^20982205670 is an apocalyptic number.

20982205670 is a deficient number, since it is larger than the sum of its proper divisors (16785764554).

20982205670 is a wasteful number, since it uses less digits than its factorization.

20982205670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098220574.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 20982205670 in words is "twenty billion, nine hundred eighty-two million, two hundred five thousand, six hundred seventy".