20411314555 has 4 divisors (see below), whose sum is σ = 24493577472. Its totient is φ = 16329051640.

The previous prime is 20411314549. The next prime is 20411314559. The reversal of 20411314555 is 55541311402.

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

It is not a de Polignac number, because 20411314555 - 2¹¹ = 20411312507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20411314559) 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, 2041131451 + ... + 2041131460.

It is an arithmetic number, because the mean of its divisors is an integer number (6123394368).

Almost surely, 2^20411314555 is an apocalyptic number.

20411314555 is a deficient number, since it is larger than the sum of its proper divisors (4082262917).

20411314555 is an equidigital number, since it uses as much as digits as its factorization.

20411314555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082262916.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 20411314555 its reverse (55541311402), we get a palindrome (75952625957).

The spelling of 20411314555 in words is "twenty billion, four hundred eleven million, three hundred fourteen thousand, five hundred fifty-five".