2528287020 has 120 divisors (see below), whose sum is σ = 9064417824. Its totient is φ = 577891584.

The previous prime is 2528286977. The next prime is 2528287043. The reversal of 2528287020 is 207828252.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 100137 + ... + 122816.

Almost surely, 2^2528287020 is an apocalyptic number.

2528287020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2528287020 is an abundant number, since it is smaller than the sum of its proper divisors (6536130804).

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

2528287020 is a wasteful number, since it uses less digits than its factorization.

2528287020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222981 (or 222970 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 2528287020 is about 50282.0745395414. The cubic root of 2528287020 is about 1362.3084748323.

The spelling of 2528287020 in words is "two billion, five hundred twenty-eight million, two hundred eighty-seven thousand, twenty".