20553410555 has 16 divisors (see below), whose sum is σ = 25578918720. Its totient is φ = 15835704192.

The previous prime is 20553410519. The next prime is 20553410561. The reversal of 20553410555 is 55501435502.

It is a cyclic number.

It is not a de Polignac number, because 20553410555 - 2¹⁴ = 20553394171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120959 + ... + 236088.

It is an arithmetic number, because the mean of its divisors is an integer number (1598682420).

Almost surely, 2^20553410555 is an apocalyptic number.

20553410555 is a deficient number, since it is larger than the sum of its proper divisors (5025508165).

20553410555 is a wasteful number, since it uses less digits than its factorization.

20553410555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357478.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 20553410555 in words is "twenty billion, five hundred fifty-three million, four hundred ten thousand, five hundred fifty-five".