2142103220 has 24 divisors (see below), whose sum is σ = 4608136008. Its totient is φ = 835942400.

The previous prime is 2142103219. The next prime is 2142103253. The reversal of 2142103220 is 223012412.

It can be written as a sum of positive squares in 4 ways, for example, as 313856656 + 1828246564 = 17716^2 + 42758^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305341 + ... + 1306980.

It is an arithmetic number, because the mean of its divisors is an integer number (192005667).

Almost surely, 2^2142103220 is an apocalyptic number.

2142103220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142103220 is an abundant number, since it is smaller than the sum of its proper divisors (2466032788).

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

2142103220 is a wasteful number, since it uses less digits than its factorization.

2142103220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612371 (or 2612369 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2142103220 is about 46282.8609746632. The cubic root of 2142103220 is about 1289.0807745371.

Adding to 2142103220 its reverse (223012412), we get a palindrome (2365115632).

The spelling of 2142103220 in words is "two billion, one hundred forty-two million, one hundred three thousand, two hundred twenty".