182020001 has 4 divisors (see below), whose sum is σ = 182080404. Its totient is φ = 181959600.

The previous prime is 182019973. The next prime is 182020009. The reversal of 182020001 is 100020281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100020281 = 59 ⋅1695259.

It can be written as a sum of positive squares in 2 ways, for example, as 108472225 + 73547776 = 10415^2 + 8576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-182020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182020009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25430 + ... + 31791.

It is an arithmetic number, because the mean of its divisors is an integer number (45520101).

Almost surely, 2^182020001 is an apocalyptic number.

It is an amenable number.

182020001 is a deficient number, since it is larger than the sum of its proper divisors (60403).

182020001 is an equidigital number, since it uses as much as digits as its factorization.

182020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60402.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 182020001 is about 13491.4788292463. The cubic root of 182020001 is about 566.7258695162.

Adding to 182020001 its reverse (100020281), we get a palindrome (282040282).

The spelling of 182020001 in words is "one hundred eighty-two million, twenty thousand, one".