2099243520 has 480 divisors, whose sum is σ = 8228848320. Its totient is φ = 506880000.

The previous prime is 2099243483. The next prime is 2099243527. The reversal of 2099243520 is 253429902.

2099243520 is a `hidden beast` number, since 2 + 0 + 9 + 92 + 43 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2099243527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8363395 + ... + 8363645.

It is an arithmetic number, because the mean of its divisors is an integer number (17143434).

Almost surely, 2^2099243520 is an apocalyptic number.

2099243520 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 2099243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4114424160).

2099243520 is an abundant number, since it is smaller than the sum of its proper divisors (6129604800).

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

2099243520 is a wasteful number, since it uses less digits than its factorization.

2099243520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 2099243520 is about 45817.5023326239. The cubic root of 2099243520 is about 1280.4253794523.

It can be divided in two parts, 209924 and 3520, that added together give a square (213444 = 462²).

The spelling of 2099243520 in words is "two billion, ninety-nine million, two hundred forty-three thousand, five hundred twenty".