287068020 has 24 divisors (see below), whose sum is σ = 803790624. Its totient is φ = 76551456.

The previous prime is 287068009. The next prime is 287068021. The reversal of 287068020 is 20860782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287068021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392174 + ... + 2392293.

It is an arithmetic number, because the mean of its divisors is an integer number (33491276).

Almost surely, 2^287068020 is an apocalyptic number.

287068020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287068020 is an abundant number, since it is smaller than the sum of its proper divisors (516722604).

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

287068020 is a wasteful number, since it uses less digits than its factorization.

287068020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784479 (or 4784477 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 287068020 is about 16943.0817739867. The cubic root of 287068020 is about 659.6723350580.

The spelling of 287068020 in words is "two hundred eighty-seven million, sixty-eight thousand, twenty".