20050255535 has 8 divisors (see below), whose sum is σ = 24061163856. Its totient is φ = 16039632960.

The previous prime is 20050255523. The next prime is 20050255573. The reversal of 20050255535 is 53555205002.

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

It is not a de Polignac number, because 20050255535 - 2¹² = 20050251439 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, 139640 + ... + 244130.

It is an arithmetic number, because the mean of its divisors is an integer number (3007645482).

Almost surely, 2^20050255535 is an apocalyptic number.

20050255535 is a deficient number, since it is larger than the sum of its proper divisors (4010908321).

20050255535 is a wasteful number, since it uses less digits than its factorization.

20050255535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142873.

The product of its (nonzero) digits is 37500, while the sum is 32.

The spelling of 20050255535 in words is "twenty billion, fifty million, two hundred fifty-five thousand, five hundred thirty-five".