20013603357 has 8 divisors (see below), whose sum is σ = 29110695840. Its totient is φ = 12129456560.

The previous prime is 20013603343. The next prime is 20013603361. The reversal of 20013603357 is 75330631002.

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 20013603357 - 2¹⁶ = 20013537821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013603377) 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, 303236382 + ... + 303236447.

It is an arithmetic number, because the mean of its divisors is an integer number (3638836980).

Almost surely, 2^20013603357 is an apocalyptic number.

It is an amenable number.

20013603357 is a deficient number, since it is larger than the sum of its proper divisors (9097092483).

20013603357 is a wasteful number, since it uses less digits than its factorization.

20013603357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606472843.

The product of its (nonzero) digits is 11340, while the sum is 30.

The spelling of 20013603357 in words is "twenty billion, thirteen million, six hundred three thousand, three hundred fifty-seven".