20366184401 has 2 divisors, whose sum is σ = 20366184402. Its totient is φ = 20366184400.

The previous prime is 20366184383. The next prime is 20366184407. The reversal of 20366184401 is 10448166302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16180094401 + 4186090000 = 127201^2 + 64700^2 .

It is a cyclic number.

It is not a de Polignac number, because 20366184401 - 2²² = 20361990097 is a prime.

It is not a weakly prime, because it can be changed into another prime (20366184407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10183092200 + 10183092201.

It is an arithmetic number, because the mean of its divisors is an integer number (10183092201).

Almost surely, 2^20366184401 is an apocalyptic number.

It is an amenable number.

20366184401 is a deficient number, since it is larger than the sum of its proper divisors (1).

20366184401 is an equidigital number, since it uses as much as digits as its factorization.

20366184401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 20366184401 in words is "twenty billion, three hundred sixty-six million, one hundred eighty-four thousand, four hundred one".