20020179401 has 2 divisors, whose sum is σ = 20020179402. Its totient is φ = 20020179400.

The previous prime is 20020179379. The next prime is 20020179479. The reversal of 20020179401 is 10497102002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13572250000 + 6447929401 = 116500^2 + 80299^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020179401 - 2¹⁰ = 20020178377 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020173401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010089700 + 10010089701.

It is an arithmetic number, because the mean of its divisors is an integer number (10010089701).

Almost surely, 2^20020179401 is an apocalyptic number.

It is an amenable number.

20020179401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020179401 is an equidigital number, since it uses as much as digits as its factorization.

20020179401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 20020179401 in words is "twenty billion, twenty million, one hundred seventy-nine thousand, four hundred one".