1020487560 has 64 divisors (see below), whose sum is σ = 3241555200. Its totient is φ = 256121856.

The previous prime is 1020487553. The next prime is 1020487571. The reversal of 1020487560 is 657840201.

It is a super-2 number, since 2×1020487560² = 2082789720229507200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248080 + ... + 252159.

It is an arithmetic number, because the mean of its divisors is an integer number (50649300).

Almost surely, 2^1020487560 is an apocalyptic number.

1020487560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020487560 is an abundant number, since it is smaller than the sum of its proper divisors (2221067640).

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

1020487560 is a wasteful number, since it uses less digits than its factorization.

1020487560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500270 (or 500266 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1020487560 is about 31945.0709812954. The cubic root of 1020487560 is about 1006.7830725634.

The spelling of 1020487560 in words is "one billion, twenty million, four hundred eighty-seven thousand, five hundred sixty".