2142510220 has 24 divisors (see below), whose sum is σ = 4541325264. Its totient is φ = 848993856.

The previous prime is 2142510199. The next prime is 2142510229. The reversal of 2142510220 is 220152412.

It is not an unprimeable number, because it can be changed into a prime (2142510229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498447 + ... + 502726.

It is an arithmetic number, because the mean of its divisors is an integer number (189221886).

Almost surely, 2^2142510220 is an apocalyptic number.

2142510220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142510220 is an abundant number, since it is smaller than the sum of its proper divisors (2398815044).

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

2142510220 is a wasteful number, since it uses less digits than its factorization.

2142510220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001289 (or 1001287 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2142510220 is about 46287.2576418176. The cubic root of 2142510220 is about 1289.1624112273.

Adding to 2142510220 its reverse (220152412), we get a palindrome (2362662632).

The spelling of 2142510220 in words is "two billion, one hundred forty-two million, five hundred ten thousand, two hundred twenty".