1020288080 has 40 divisors (see below), whose sum is σ = 2711052672. Its totient is φ = 349812864.

The previous prime is 1020288067. The next prime is 1020288091. The reversal of 1020288080 is 808820201.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910412 + ... + 911531.

Almost surely, 2^1020288080 is an apocalyptic number.

1020288080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020288080 is an abundant number, since it is smaller than the sum of its proper divisors (1690764592).

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

1020288080 is a wasteful number, since it uses less digits than its factorization.

1020288080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821963 (or 1821957 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1020288080 is about 31941.9485942859. The cubic root of 1020288080 is about 1006.7174679176.

The spelling of 1020288080 in words is "one billion, twenty million, two hundred eighty-eight thousand, eighty".