2020245 has 8 divisors (see below), whose sum is σ = 3232416. Its totient is φ = 1077456.

The previous prime is 2020243. The next prime is 2020247. The reversal of 2020245 is 5420202.

It is an interprime number because it is at equal distance from previous prime (2020243) and next prime (2020247).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020245 - 2¹ = 2020243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 134683 = 2020245 / (2 + 0 + 2 + 0 + 2 + 4 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67327 + ... + 67356.

It is an arithmetic number, because the mean of its divisors is an integer number (404052).

2^2020245 is an apocalyptic number.

It is an amenable number.

2020245 is a deficient number, since it is larger than the sum of its proper divisors (1212171).

2020245 is a wasteful number, since it uses less digits than its factorization.

2020245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134691.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2020245 is about 1421.3532284411. The cubic root of 2020245 is about 126.4157969428.

Adding to 2020245 its reverse (5420202), we get a palindrome (7440447).

The spelling of 2020245 in words is "two million, twenty thousand, two hundred forty-five".