20477013559 has 8 divisors (see below), whose sum is σ = 20572231680. Its totient is φ = 20381875416.

The previous prime is 20477013547. The next prime is 20477013577. The reversal of 20477013559 is 95531077402.

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 20477013559 - 2²³ = 20468624951 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 (20477013539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527862 + ... + 565324.

It is an arithmetic number, because the mean of its divisors is an integer number (2571528960).

Almost surely, 2^20477013559 is an apocalyptic number.

20477013559 is a deficient number, since it is larger than the sum of its proper divisors (95218121).

20477013559 is a wasteful number, since it uses less digits than its factorization.

20477013559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39989.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 20477013559 in words is "twenty billion, four hundred seventy-seven million, thirteen thousand, five hundred fifty-nine".