2006604420 has 24 divisors (see below), whose sum is σ = 5618492544. Its totient is φ = 535094496.

The previous prime is 2006604389. The next prime is 2006604437. The reversal of 2006604420 is 244066002.

It is a super-2 number, since 2×2006604420² = 8052922596727072800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16721644 + ... + 16721763.

It is an arithmetic number, because the mean of its divisors is an integer number (234103856).

Almost surely, 2^2006604420 is an apocalyptic number.

2006604420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006604420 is an abundant number, since it is smaller than the sum of its proper divisors (3611888124).

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

2006604420 is a wasteful number, since it uses less digits than its factorization.

2006604420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33443419 (or 33443417 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2006604420 is about 44795.1383522810. The cubic root of 2006604420 is about 1261.3063674389.

The spelling of 2006604420 in words is "two billion, six million, six hundred four thousand, four hundred twenty".