2105724002 has 16 divisors (see below), whose sum is σ = 3237270624. Its totient is φ = 1026660000.

The previous prime is 2105723993. The next prime is 2105724007. The reversal of 2105724002 is 2004275012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2105724007) 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, 192377 + ... + 203027.

It is an arithmetic number, because the mean of its divisors is an integer number (202329414).

Almost surely, 2^2105724002 is an apocalyptic number.

2105724002 is a deficient number, since it is larger than the sum of its proper divisors (1131546622).

2105724002 is a wasteful number, since it uses less digits than its factorization.

2105724002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13105.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2105724002 is about 45888.1684315249. The cubic root of 2105724002 is about 1281.7416075118.

Adding to 2105724002 its reverse (2004275012), we get a palindrome (4109999014).

The spelling of 2105724002 in words is "two billion, one hundred five million, seven hundred twenty-four thousand, two".