20575201 has 2 divisors, whose sum is σ = 20575202. Its totient is φ = 20575200.

The previous prime is 20575193. The next prime is 20575211. The reversal of 20575201 is 10257502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17766225 + 2808976 = 4215^2 + 1676^2 .

It is a cyclic number.

It is not a de Polignac number, because 20575201 - 2³ = 20575193 is a prime.

It is equal to p_1304734 and since 20575201 and 1304734 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (20575211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10287600 + 10287601.

It is an arithmetic number, because the mean of its divisors is an integer number (10287601).

Almost surely, 2^20575201 is an apocalyptic number.

It is an amenable number.

20575201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20575201 is an equidigital number, since it uses as much as digits as its factorization.

20575201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 20575201 is about 4535.9895282066. The cubic root of 20575201 is about 274.0194322624.

The spelling of 20575201 in words is "twenty million, five hundred seventy-five thousand, two hundred one".