20434130222977 has 2 divisors, whose sum is σ = 20434130222978. Its totient is φ = 20434130222976.

The previous prime is 20434130222963. The next prime is 20434130223019. The reversal of 20434130222977 is 77922203143402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17031171549456 + 3402958673521 = 4126884^2 + 1844711^2 .

It is a cyclic number.

It is not a de Polignac number, because 20434130222977 - 2¹⁵ = 20434130190209 is a prime.

It is not a weakly prime, because it can be changed into another prime (20434130822977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217065111488 + 10217065111489.

It is an arithmetic number, because the mean of its divisors is an integer number (10217065111489).

Almost surely, 2^{20434130222977} is an apocalyptic number.

It is an amenable number.

20434130222977 is a deficient number, since it is larger than the sum of its proper divisors (1).

20434130222977 is an equidigital number, since it uses as much as digits as its factorization.

20434130222977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 20434130222977 in words is "twenty trillion, four hundred thirty-four billion, one hundred thirty million, two hundred twenty-two thousand, nine hundred seventy-seven".