2004020550 has 288 divisors, whose sum is σ = 6434588160. Its totient is φ = 437644800.

The previous prime is 2004020531. The next prime is 2004020563. The reversal of 2004020550 is 550204002.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 143 ways as a sum of consecutive naturals, for example, 7619719 + ... + 7619981.

It is an arithmetic number, because the mean of its divisors is an integer number (22342320).

Almost surely, 2^2004020550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2004020550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3217294080).

2004020550 is an abundant number, since it is smaller than the sum of its proper divisors (4430567610).

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

2004020550 is a wasteful number, since it uses less digits than its factorization.

2004020550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2004020550 is about 44766.2880971831. The cubic root of 2004020550 is about 1260.7647473887.

Adding to 2004020550 its reverse (550204002), we get a palindrome (2554224552).

The spelling of 2004020550 in words is "two billion, four million, twenty thousand, five hundred fifty".