2159020 has 12 divisors (see below), whose sum is σ = 4533984. Its totient is φ = 863600.

The previous prime is 2158999. The next prime is 2159023. The reversal of 2159020 is 209512.

It is a super-2 number, since 2×2159020² = 9322734720800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2159023) 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, 53956 + ... + 53995.

It is an arithmetic number, because the mean of its divisors is an integer number (377832).

2^2159020 is an apocalyptic number.

2159020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2159020 is an abundant number, since it is smaller than the sum of its proper divisors (2374964).

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

2159020 is a wasteful number, since it uses less digits than its factorization.

2159020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107960 (or 107958 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2159020 is about 1469.3604050743. The cubic root of 2159020 is about 129.2465289446.

The spelling of 2159020 in words is "two million, one hundred fifty-nine thousand, twenty".