20342420983 has 8 divisors (see below), whose sum is σ = 21541425120. Its totient is φ = 19143682560.

The previous prime is 20342420981. The next prime is 20342420993. The reversal of 20342420983 is 38902424302.

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 20342420983 - 2¹ = 20342420981 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 (20342420981) 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 7 ways as a sum of consecutive naturals, for example, 103663 + ... + 226783.

It is an arithmetic number, because the mean of its divisors is an integer number (2692678140).

Almost surely, 2^20342420983 is an apocalyptic number.

20342420983 is a deficient number, since it is larger than the sum of its proper divisors (1199004137).

20342420983 is a wasteful number, since it uses less digits than its factorization.

20342420983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132857.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 20342420983 in words is "twenty billion, three hundred forty-two million, four hundred twenty thousand, nine hundred eighty-three".