280848460020 has 96 divisors (see below), whose sum is σ = 798371997696. Its totient is φ = 73751145600.

The previous prime is 280848459977. The next prime is 280848460037. The reversal of 280848460020 is 20064848082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14747905 + ... + 14766935.

It is an arithmetic number, because the mean of its divisors is an integer number (8316374976).

Almost surely, 2^280848460020 is an apocalyptic number.

280848460020 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 280848460020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399185998848).

280848460020 is an abundant number, since it is smaller than the sum of its proper divisors (517523537676).

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

280848460020 is a wasteful number, since it uses less digits than its factorization.

280848460020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22781 (or 22779 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 280848460020 in words is "two hundred eighty billion, eight hundred forty-eight million, four hundred sixty thousand, twenty".