20154430055701 has 2 divisors, whose sum is σ = 20154430055702. Its totient is φ = 20154430055700.

The previous prime is 20154430055689. The next prime is 20154430055707. The reversal of 20154430055701 is 10755003445102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20010010295025 + 144419760676 = 4473255^2 + 380026^2 .

It is a cyclic number.

It is not a de Polignac number, because 20154430055701 - 2⁹ = 20154430055189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20154430055707) 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, 10077215027850 + 10077215027851.

It is an arithmetic number, because the mean of its divisors is an integer number (10077215027851).

Almost surely, 2^{20154430055701} is an apocalyptic number.

It is an amenable number.

20154430055701 is a deficient number, since it is larger than the sum of its proper divisors (1).

20154430055701 is an equidigital number, since it uses as much as digits as its factorization.

20154430055701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 20154430055701 in words is "twenty trillion, one hundred fifty-four billion, four hundred thirty million, fifty-five thousand, seven hundred one".