20013310983 has 8 divisors (see below), whose sum is σ = 28088857600. Its totient is φ = 12639985848.

The previous prime is 20013310981. The next prime is 20013311023. The reversal of 20013310983 is 38901331002.

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

It is not a de Polignac number, because 20013310983 - 2¹ = 20013310981 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 20013310983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013310981) 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, 175555303 + ... + 175555416.

It is an arithmetic number, because the mean of its divisors is an integer number (3511107200).

Almost surely, 2^20013310983 is an apocalyptic number.

20013310983 is a deficient number, since it is larger than the sum of its proper divisors (8075546617).

20013310983 is a wasteful number, since it uses less digits than its factorization.

20013310983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351110741.

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 20013310983 its reverse (38901331002), we get a palindrome (58914641985).

The spelling of 20013310983 in words is "twenty billion, thirteen million, three hundred ten thousand, nine hundred eighty-three".