2420205 has 16 divisors (see below), whose sum is σ = 4100544. Its totient is φ = 1214720.

The previous prime is 2420179. The next prime is 2420213. The reversal of 2420205 is 5020242.

It is not a de Polignac number, because 2420205 - 2⁹ = 2419693 is a prime.

It is a super-3 number, since 3×2420205³ = 42528269973330345375, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4491 + ... + 5000.

It is an arithmetic number, because the mean of its divisors is an integer number (256284).

2^2420205 is an apocalyptic number.

It is an amenable number.

2420205 is a deficient number, since it is larger than the sum of its proper divisors (1680339).

2420205 is a wasteful number, since it uses less digits than its factorization.

2420205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516.

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

The square root of 2420205 is about 1555.7008067106. The cubic root of 2420205 is about 134.2612598014.

Adding to 2420205 its reverse (5020242), we get a palindrome (7440447).

The spelling of 2420205 in words is "two million, four hundred twenty thousand, two hundred five".