2064606220 has 24 divisors (see below), whose sum is σ = 4360742064. Its totient is φ = 821067456.

The previous prime is 2064606197. The next prime is 2064606223. The reversal of 2064606220 is 226064602.

It is not an unprimeable number, because it can be changed into a prime (2064606223) 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, 294894 + ... + 301813.

It is an arithmetic number, because the mean of its divisors is an integer number (181697586).

Almost surely, 2^2064606220 is an apocalyptic number.

2064606220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2064606220 is an abundant number, since it is smaller than the sum of its proper divisors (2296135844).

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

2064606220 is a wasteful number, since it uses less digits than its factorization.

2064606220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596889 (or 596887 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2064606220 is about 45437.9381134312. The cubic root of 2064606220 is about 1273.3439928264.

The spelling of 2064606220 in words is "two billion, sixty-four million, six hundred six thousand, two hundred twenty".