20088811553 has 2 divisors, whose sum is σ = 20088811554. Its totient is φ = 20088811552.

The previous prime is 20088811541. The next prime is 20088811559. The reversal of 20088811553 is 35511888002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17051919889 + 3036891664 = 130583^2 + 55108^2 .

It is a cyclic number.

It is not a de Polignac number, because 20088811553 - 2⁸ = 20088811297 is a prime.

It is a super-2 number, since 2×20088811553² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20088811553.

It is not a weakly prime, because it can be changed into another prime (20088811559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10044405776 + 10044405777.

It is an arithmetic number, because the mean of its divisors is an integer number (10044405777).

Almost surely, 2^20088811553 is an apocalyptic number.

It is an amenable number.

20088811553 is a deficient number, since it is larger than the sum of its proper divisors (1).

20088811553 is an equidigital number, since it uses as much as digits as its factorization.

20088811553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76800, while the sum is 41.

The spelling of 20088811553 in words is "twenty billion, eighty-eight million, eight hundred eleven thousand, five hundred fifty-three".