20116707201049 has 2 divisors, whose sum is σ = 20116707201050. Its totient is φ = 20116707201048.

The previous prime is 20116707201037. The next prime is 20116707201067. The reversal of 20116707201049 is 94010270761102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15617671686400 + 4499035514649 = 3951920^2 + 2121093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20116707201049 is a prime.

It is a super-2 number, since 2×20116707201049² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20116707201089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058353600524 + 10058353600525.

It is an arithmetic number, because the mean of its divisors is an integer number (10058353600525).

Almost surely, 2^{20116707201049} is an apocalyptic number.

It is an amenable number.

20116707201049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116707201049 is an equidigital number, since it uses as much as digits as its factorization.

20116707201049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 20116707201049 in words is "twenty trillion, one hundred sixteen billion, seven hundred seven million, two hundred one thousand, forty-nine".