2099218680 has 384 divisors, whose sum is σ = 7842744000. Its totient is φ = 501645312.

The previous prime is 2099218673. The next prime is 2099218747. The reversal of 2099218680 is 868129902.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4675096 + ... + 4675544.

Almost surely, 2^2099218680 is an apocalyptic number.

2099218680 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 2099218680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3921372000).

2099218680 is an abundant number, since it is smaller than the sum of its proper divisors (5743525320).

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

2099218680 is a wasteful number, since it uses less digits than its factorization.

2099218680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 2099218680 is about 45817.2312563734. The cubic root of 2099218680 is about 1280.4203290787.

The spelling of 2099218680 in words is "two billion, ninety-nine million, two hundred eighteen thousand, six hundred eighty".