2689027220 has 24 divisors (see below), whose sum is σ = 6160317408. Its totient is φ = 977828000.

The previous prime is 2689027219. The next prime is 2689027223. The reversal of 2689027220 is 227209862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689027223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6111206 + ... + 6111645.

It is an arithmetic number, because the mean of its divisors is an integer number (256679892).

Almost surely, 2^2689027220 is an apocalyptic number.

2689027220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2689027220 is an abundant number, since it is smaller than the sum of its proper divisors (3471290188).

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

2689027220 is a wasteful number, since it uses less digits than its factorization.

2689027220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12222871 (or 12222869 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2689027220 is about 51855.8311089505. The cubic root of 2689027220 is about 1390.5877506801.

The spelling of 2689027220 in words is "two billion, six hundred eighty-nine million, twenty-seven thousand, two hundred twenty".