2142450120 has 64 divisors (see below), whose sum is σ = 6451165440. Its totient is φ = 569203200.

The previous prime is 2142450073. The next prime is 2142450131. The reversal of 2142450120 is 210542412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421 + ... + 65460.

It is an arithmetic number, because the mean of its divisors is an integer number (100799460).

Almost surely, 2^2142450120 is an apocalyptic number.

2142450120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142450120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3225582720).

2142450120 is an abundant number, since it is smaller than the sum of its proper divisors (4308715320).

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

2142450120 is a wasteful number, since it uses less digits than its factorization.

2142450120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66166 (or 66162 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2142450120 is about 46286.6084305169. The cubic root of 2142450120 is about 1289.1503569269.

Adding to 2142450120 its reverse (210542412), we get a palindrome (2352992532).

The spelling of 2142450120 in words is "two billion, one hundred forty-two million, four hundred fifty thousand, one hundred twenty".