20553530005 has 8 divisors (see below), whose sum is σ = 24903695232. Its totient is φ = 16283184528.

The previous prime is 20553529999. The next prime is 20553530017. The reversal of 20553530005 is 50003535502.

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 20553530005 - 2⁵ = 20553529973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19954369 + ... + 19955398.

It is an arithmetic number, because the mean of its divisors is an integer number (3112961904).

Almost surely, 2^20553530005 is an apocalyptic number.

It is an amenable number.

20553530005 is a deficient number, since it is larger than the sum of its proper divisors (4350165227).

20553530005 is a wasteful number, since it uses less digits than its factorization.

20553530005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39909875.

The product of its (nonzero) digits is 11250, while the sum is 28.

The spelling of 20553530005 in words is "twenty billion, five hundred fifty-three million, five hundred thirty thousand, five".