2020347 has 12 divisors (see below), whose sum is σ = 3335280.
Its totient is φ = 1154448.
The previous prime is 2020321. The next prime is 2020387. The reversal of 2020347 is 7430202.
It is a happy number.
It is not a de Polignac number, because 2020347 - 28 = 2020091 is a prime.
2020347 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (2020387) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15972 + ... + 16097.
It is an arithmetic number, because the mean of its divisors is an integer number (277940).
22020347 is an apocalyptic number.
2020347 is a deficient number, since it is larger than the sum of its proper divisors (1314933).
2020347 is a wasteful number, since it uses less digits than its factorization.
2020347 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32082 (or 32079 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 18.
The square root of 2020347 is about 1421.3891092871.
The cubic root of 2020347 is about 126.4179244396.
Adding to 2020347 its reverse (7430202), we get a palindrome (9450549).
The spelling of 2020347 in words is "two million, twenty thousand, three hundred forty-seven".