2020906 has 8 divisors (see below), whose sum is σ = 3096000. Its totient is φ = 988908.

The previous prime is 2020891. The next prime is 2020913. The reversal of 2020906 is 6090202.

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

It is a super-2 number, since 2×2020906² = 8168122121672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10656 + ... + 10843.

It is an arithmetic number, because the mean of its divisors is an integer number (387000).

2^2020906 is an apocalyptic number.

2020906 is a deficient number, since it is larger than the sum of its proper divisors (1075094).

2020906 is a wasteful number, since it uses less digits than its factorization.

2020906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21548.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2020906 is about 1421.5857343122. The cubic root of 2020906 is about 126.4295826850.

It can be divided in two parts, 2020 and 906, that added together give a triangular number (2926 = T₇₆).

The spelling of 2020906 in words is "two million, twenty thousand, nine hundred six".