20633187627077 has 4 divisors (see below), whose sum is σ = 20633198640876. Its totient is φ = 20633176613280.

The previous prime is 20633187627071. The next prime is 20633187627113. The reversal of 20633187627077 is 77072678133602.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18967645094596 + 1665542532481 = 4355186^2 + 1290559^2 .

It is a cyclic number.

It is not a de Polignac number, because 20633187627077 - 2³⁴ = 20616007757893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633187627071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916528 + ... + 6703689.

It is an arithmetic number, because the mean of its divisors is an integer number (5158299660219).

Almost surely, 2^{20633187627077} is an apocalyptic number.

It is an amenable number.

20633187627077 is a deficient number, since it is larger than the sum of its proper divisors (11013799).

20633187627077 is an equidigital number, since it uses as much as digits as its factorization.

20633187627077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11013798.

The product of its (nonzero) digits is 24893568, while the sum is 59.

The spelling of 20633187627077 in words is "twenty trillion, six hundred thirty-three billion, one hundred eighty-seven million, six hundred twenty-seven thousand, seventy-seven".