20061563359 has 8 divisors (see below), whose sum is σ = 20170790640. Its totient is φ = 19952411136.

The previous prime is 20061563317. The next prime is 20061563369. The reversal of 20061563359 is 95336516002.

It is a happy number.

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 20061563359 - 2⁹ = 20061562847 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 (20061563369) 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, 566527 + ... + 600895.

It is an arithmetic number, because the mean of its divisors is an integer number (2521348830).

Almost surely, 2^20061563359 is an apocalyptic number.

20061563359 is a deficient number, since it is larger than the sum of its proper divisors (109227281).

20061563359 is a wasteful number, since it uses less digits than its factorization.

20061563359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37529.

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 20061563359 in words is "twenty billion, sixty-one million, five hundred sixty-three thousand, three hundred fifty-nine".