2142440130220 has 48 divisors (see below), whose sum is σ = 4927333007520. Its totient is φ = 777647102976.

The previous prime is 2142440130163. The next prime is 2142440130227. The reversal of 2142440130220 is 220310442412.

It is not an unprimeable number, because it can be changed into a prime (2142440130227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69816477 + ... + 69847156.

It is an arithmetic number, because the mean of its divisors is an integer number (102652770990).

Almost surely, 2^{2142440130220} is an apocalyptic number.

2142440130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142440130220 is an abundant number, since it is smaller than the sum of its proper divisors (2784892877300).

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

2142440130220 is a wasteful number, since it uses less digits than its factorization.

2142440130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139663714 (or 139663712 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2142440130220 its reverse (220310442412), we get a palindrome (2362750572632).

The spelling of 2142440130220 in words is "two trillion, one hundred forty-two billion, four hundred forty million, one hundred thirty thousand, two hundred twenty".