20120364707077 has 2 divisors, whose sum is σ = 20120364707078. Its totient is φ = 20120364707076.

The previous prime is 20120364706999. The next prime is 20120364707117. The reversal of 20120364707077 is 77070746302102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15628470197796 + 4491894509281 = 3953286^2 + 2119409^2 .

It is a cyclic number.

It is not a de Polignac number, because 20120364707077 - 2³⁵ = 20086004968709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20120364707777) 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 as a sum of consecutive naturals, namely, 10060182353538 + 10060182353539.

It is an arithmetic number, because the mean of its divisors is an integer number (10060182353539).

Almost surely, 2^{20120364707077} is an apocalyptic number.

It is an amenable number.

20120364707077 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120364707077 is an equidigital number, since it uses as much as digits as its factorization.

20120364707077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691488, while the sum is 46.

The spelling of 20120364707077 in words is "twenty trillion, one hundred twenty billion, three hundred sixty-four million, seven hundred seven thousand, seventy-seven".