20496373563 has 8 divisors (see below), whose sum is σ = 27330126400. Its totient is φ = 13663434888.

The previous prime is 20496373559. The next prime is 20496373589. The reversal of 20496373563 is 36537369402.

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

It is not a de Polignac number, because 20496373563 - 2² = 20496373559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20496373553) 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, 142153 + ... + 247386.

It is an arithmetic number, because the mean of its divisors is an integer number (3416265800).

Almost surely, 2^20496373563 is an apocalyptic number.

20496373563 is a deficient number, since it is larger than the sum of its proper divisors (6833752837).

20496373563 is a wasteful number, since it uses less digits than its factorization.

20496373563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407081.

The product of its (nonzero) digits is 2449440, while the sum is 48.

The spelling of 20496373563 in words is "twenty billion, four hundred ninety-six million, three hundred seventy-three thousand, five hundred sixty-three".