2587066220 has 192 divisors, whose sum is σ = 6314112000. Its totient is φ = 884911104.

The previous prime is 2587066213. The next prime is 2587066231. The reversal of 2587066220 is 226607852.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 63 ways as a sum of consecutive naturals, for example, 14954054 + ... + 14954226.

It is an arithmetic number, because the mean of its divisors is an integer number (32886000).

Almost surely, 2^2587066220 is an apocalyptic number.

2587066220 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 2587066220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3157056000).

2587066220 is an abundant number, since it is smaller than the sum of its proper divisors (3727045780).

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

2587066220 is a wasteful number, since it uses less digits than its factorization.

2587066220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 2587066220 is about 50863.2108699402. The cubic root of 2587066220 is about 1372.7849683060.

The spelling of 2587066220 in words is "two billion, five hundred eighty-seven million, sixty-six thousand, two hundred twenty".