2004739220 has 48 divisors (see below), whose sum is σ = 4611854016. Its totient is φ = 725952000.

The previous prime is 2004739207. The next prime is 2004739241. The reversal of 2004739220 is 229374002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34115 + ... + 71925.

It is an arithmetic number, because the mean of its divisors is an integer number (96080292).

Almost surely, 2^2004739220 is an apocalyptic number.

2004739220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2004739220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2305927008).

2004739220 is an abundant number, since it is smaller than the sum of its proper divisors (2607114796).

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

2004739220 is a wasteful number, since it uses less digits than its factorization.

2004739220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38072 (or 38070 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2004739220 is about 44774.3142884400. The cubic root of 2004739220 is about 1260.9154387098.

The spelling of 2004739220 in words is "two billion, four million, seven hundred thirty-nine thousand, two hundred twenty".