1020765480 has 64 divisors (see below), whose sum is σ = 3499770240. Its totient is φ = 233317632.

The previous prime is 1020765469. The next prime is 1020765503. The reversal of 1020765480 is 845670201.

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, 606759 + ... + 608438.

It is an arithmetic number, because the mean of its divisors is an integer number (54683910).

Almost surely, 2^1020765480 is an apocalyptic number.

1020765480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020765480 is an abundant number, since it is smaller than the sum of its proper divisors (2479004760).

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

1020765480 is a wasteful number, since it uses less digits than its factorization.

1020765480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215218 (or 1215214 counting only the distinct ones).

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

The square root of 1020765480 is about 31949.4206520243. The cubic root of 1020765480 is about 1006.8744601725.

The spelling of 1020765480 in words is "one billion, twenty million, seven hundred sixty-five thousand, four hundred eighty".