20010088755869 has 2 divisors, whose sum is σ = 20010088755870. Its totient is φ = 20010088755868.

The previous prime is 20010088755821. The next prime is 20010088755967. The reversal of 20010088755869 is 96855788001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16712250915844 + 3297837840025 = 4088062^2 + 1815995^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010088755869 - 2¹² = 20010088751773 is a prime.

It is a super-2 number, since 2×20010088755869² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010088755469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005044377934 + 10005044377935.

It is an arithmetic number, because the mean of its divisors is an integer number (10005044377935).

Almost surely, 2^{20010088755869} is an apocalyptic number.

It is an amenable number.

20010088755869 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010088755869 is an equidigital number, since it uses as much as digits as its factorization.

20010088755869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9676800, while the sum is 59.

The spelling of 20010088755869 in words is "twenty trillion, ten billion, eighty-eight million, seven hundred fifty-five thousand, eight hundred sixty-nine".