20602043983 has 8 divisors (see below), whose sum is σ = 20993778288. Its totient is φ = 20210421504.

The previous prime is 20602043977. The next prime is 20602044017. The reversal of 20602043983 is 38934020602.

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

It is a cyclic number.

It is not a de Polignac number, because 20602043983 - 2⁹ = 20602043471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602043923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407935 + ... + 455647.

It is an arithmetic number, because the mean of its divisors is an integer number (2624222286).

Almost surely, 2^20602043983 is an apocalyptic number.

20602043983 is a deficient number, since it is larger than the sum of its proper divisors (391734305).

20602043983 is an equidigital number, since it uses as much as digits as its factorization.

20602043983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55913.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 20602043983 in words is "twenty billion, six hundred two million, forty-three thousand, nine hundred eighty-three".