420020201093 has 2 divisors, whose sum is σ = 420020201094. Its totient is φ = 420020201092.

The previous prime is 420020201089. The next prime is 420020201129. The reversal of 420020201093 is 390102020024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283857725089 + 136162476004 = 532783^2 + 369002^2 .

It is a cyclic number.

It is not a de Polignac number, because 420020201093 - 2² = 420020201089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420020201053) 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, 210010100546 + 210010100547.

It is an arithmetic number, because the mean of its divisors is an integer number (210010100547).

Almost surely, 2^420020201093 is an apocalyptic number.

It is an amenable number.

420020201093 is a deficient number, since it is larger than the sum of its proper divisors (1).

420020201093 is an equidigital number, since it uses as much as digits as its factorization.

420020201093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 420020201093 in words is "four hundred twenty billion, twenty million, two hundred one thousand, ninety-three".