2867003220 has 96 divisors (see below), whose sum is σ = 8409945600. Its totient is φ = 728792064.

The previous prime is 2867003213. The next prime is 2867003221. The reversal of 2867003220 is 223007682.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2867003221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127032 + ... + 147888.

It is an arithmetic number, because the mean of its divisors is an integer number (87603600).

Almost surely, 2^2867003220 is an apocalyptic number.

2867003220 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 2867003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4204972800).

2867003220 is an abundant number, since it is smaller than the sum of its proper divisors (5542942380).

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

2867003220 is a wasteful number, since it uses less digits than its factorization.

2867003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20977 (or 20975 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2867003220 is about 53544.4041894202. The cubic root of 2867003220 is about 1420.6139017192.

The spelling of 2867003220 in words is "two billion, eight hundred sixty-seven million, three thousand, two hundred twenty".