20620556300711 has 4 divisors (see below), whose sum is σ = 20881576000800. Its totient is φ = 20359536600624.

The previous prime is 20620556300683. The next prime is 20620556300719. The reversal of 20620556300711 is 11700365502602.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20620556300711 - 2¹⁸ = 20620556038567 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 (20620556300719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130509849926 + ... + 130509850083.

It is an arithmetic number, because the mean of its divisors is an integer number (5220394000200).

Almost surely, 2^{20620556300711} is an apocalyptic number.

20620556300711 is a deficient number, since it is larger than the sum of its proper divisors (261019700089).

20620556300711 is an equidigital number, since it uses as much as digits as its factorization.

20620556300711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261019700088.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 20620556300711 in words is "twenty trillion, six hundred twenty billion, five hundred fifty-six million, three hundred thousand, seven hundred eleven".