20633027605401 has 4 divisors (see below), whose sum is σ = 27510703473872. Its totient is φ = 13755351736932.

The previous prime is 20633027605369. The next prime is 20633027605469. The reversal of 20633027605401 is 10450672033602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20633027605401 - 2⁵ = 20633027605369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20633027605401.

It is not an unprimeable number, because it can be changed into a prime (20633027600401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438837934231 + ... + 3438837934236.

It is an arithmetic number, because the mean of its divisors is an integer number (6877675868468).

Almost surely, 2^{20633027605401} is an apocalyptic number.

It is an amenable number.

20633027605401 is a deficient number, since it is larger than the sum of its proper divisors (6877675868471).

20633027605401 is an equidigital number, since it uses as much as digits as its factorization.

20633027605401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877675868470.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 20633027605401 in words is "twenty trillion, six hundred thirty-three billion, twenty-seven million, six hundred five thousand, four hundred one".