2642020 has 24 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 1038432.

The previous prime is 2641993. The next prime is 2642039. The reversal of 2642020 is 202462.

It is a super-4 number, since 4×2642020⁴ (a number of 27 digits) contains 4444 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2641985 and 2642003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61 + ... + 2299.

It is an arithmetic number, because the mean of its divisors is an integer number (235200).

2^2642020 is an apocalyptic number.

2642020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2642020 is an abundant number, since it is smaller than the sum of its proper divisors (3002780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2642020 is a wasteful number, since it uses less digits than its factorization.

2642020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2642020 is about 1625.4291740953. The cubic root of 2642020 is about 138.2437057522.

Adding to 2642020 its reverse (202462), we get a palindrome (2844482).

The spelling of 2642020 in words is "two million, six hundred forty-two thousand, twenty".