2020427 has 4 divisors (see below), whose sum is σ = 2024400. Its totient is φ = 2016456.

The previous prime is 2020423. The next prime is 2020429. The reversal of 2020427 is 7240202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020427 - 2² = 2020423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020423) 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, 1088 + ... + 2285.

It is an arithmetic number, because the mean of its divisors is an integer number (506100).

2^2020427 is an apocalyptic number.

2020427 is a deficient number, since it is larger than the sum of its proper divisors (3973).

2020427 is an equidigital number, since it uses as much as digits as its factorization.

2020427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 2020427 is about 1421.4172504933. The cubic root of 2020427 is about 126.4195930144.

Adding to 2020427 its reverse (7240202), we get a palindrome (9260629).

The spelling of 2020427 in words is "two million, twenty thousand, four hundred twenty-seven".