2684210820 has 48 divisors (see below), whose sum is σ = 7530936000. Its totient is φ = 714347136.

The previous prime is 2684210819. The next prime is 2684210821. The reversal of 2684210820 is 280124862.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2684210819) and next prime (2684210821).

It is not an unprimeable number, because it can be changed into a prime (2684210821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14887 + ... + 74766.

It is an arithmetic number, because the mean of its divisors is an integer number (156894500).

Almost surely, 2^2684210820 is an apocalyptic number.

2684210820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2684210820 is an abundant number, since it is smaller than the sum of its proper divisors (4846725180).

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

2684210820 is a wasteful number, since it uses less digits than its factorization.

2684210820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90164 (or 90162 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 2684210820 is about 51809.3700019601. The cubic root of 2684210820 is about 1389.7570128886.

The spelling of 2684210820 in words is "two billion, six hundred eighty-four million, two hundred ten thousand, eight hundred twenty".