20550367055 has 8 divisors (see below), whose sum is σ = 24698916144. Its totient is φ = 16414643200.

The previous prime is 20550367049. The next prime is 20550367133. The reversal of 20550367055 is 55076305502.

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

It is not a de Polignac number, because 20550367055 - 2⁴ = 20550367039 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, 3202781 + ... + 3209190.

It is an arithmetic number, because the mean of its divisors is an integer number (3087364518).

Almost surely, 2^20550367055 is an apocalyptic number.

20550367055 is a deficient number, since it is larger than the sum of its proper divisors (4148549089).

20550367055 is an equidigital number, since it uses as much as digits as its factorization.

20550367055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412617.

The product of its (nonzero) digits is 157500, while the sum is 38.

The spelling of 20550367055 in words is "twenty billion, five hundred fifty million, three hundred sixty-seven thousand, fifty-five".