20110033847977 has 2 divisors, whose sum is σ = 20110033847978. Its totient is φ = 20110033847976.

The previous prime is 20110033847963. The next prime is 20110033847983. The reversal of 20110033847977 is 77974833001102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19026860796441 + 1083173051536 = 4361979^2 + 1040756^2 .

It is a cyclic number.

It is not a de Polignac number, because 20110033847977 - 2³⁵ = 20075674109609 is a prime.

It is a super-2 number, since 2×20110033847977² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20110033845977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055016923988 + 10055016923989.

It is an arithmetic number, because the mean of its divisors is an integer number (10055016923989).

Almost surely, 2^{20110033847977} is an apocalyptic number.

It is an amenable number.

20110033847977 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110033847977 is an equidigital number, since it uses as much as digits as its factorization.

20110033847977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 20110033847977 in words is "twenty trillion, one hundred ten billion, thirty-three million, eight hundred forty-seven thousand, nine hundred seventy-seven".