2142024220 has 36 divisors (see below), whose sum is σ = 5232661560. Its totient is φ = 734407968.

The previous prime is 2142024197. The next prime is 2142024229. The reversal of 2142024220 is 224202412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142024229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1091890 + ... + 1093849.

It is an arithmetic number, because the mean of its divisors is an integer number (145351710).

Almost surely, 2^2142024220 is an apocalyptic number.

2142024220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142024220 is an abundant number, since it is smaller than the sum of its proper divisors (3090637340).

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

2142024220 is a wasteful number, since it uses less digits than its factorization.

2142024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185762 (or 2185753 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2142024220 is about 46282.0075191213. The cubic root of 2142024220 is about 1289.0649273965.

Adding to 2142024220 its reverse (224202412), we get a palindrome (2366226632).

The spelling of 2142024220 in words is "two billion, one hundred forty-two million, twenty-four thousand, two hundred twenty".