20064001 has 2 divisors, whose sum is σ = 20064002. Its totient is φ = 20064000.

The previous prime is 20063999. The next prime is 20064017. The reversal of 20064001 is 10046002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19793601 + 270400 = 4449^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 20064001 - 2¹ = 20063999 is a prime.

It is a super-2 number, since 2×20064001² = 805128272256002, which contains 22 as substring.

Together with 20063999, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20064041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10032000 + 10032001.

It is an arithmetic number, because the mean of its divisors is an integer number (10032001).

Almost surely, 2^20064001 is an apocalyptic number.

It is an amenable number.

20064001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20064001 is an equidigital number, since it uses as much as digits as its factorization.

20064001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20064001 is about 4479.2857689592. The cubic root of 20064001 is about 271.7309957605.

The spelling of 20064001 in words is "twenty million, sixty-four thousand, one".