20541030655 has 4 divisors (see below), whose sum is σ = 24649236792. Its totient is φ = 16432824520.

The previous prime is 20541030637. The next prime is 20541030689. The reversal of 20541030655 is 55603014502.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20541030655 - 2²⁷ = 20406812927 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3 ways as a sum of consecutive naturals, for example, 2054103061 + ... + 2054103070.

It is an arithmetic number, because the mean of its divisors is an integer number (6162309198).

Almost surely, 2^20541030655 is an apocalyptic number.

20541030655 is a deficient number, since it is larger than the sum of its proper divisors (4108206137).

20541030655 is an equidigital number, since it uses as much as digits as its factorization.

20541030655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108206136.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 20541030655 in words is "twenty billion, five hundred forty-one million, thirty thousand, six hundred fifty-five".