2142420030 has 80 divisors (see below), whose sum is σ = 5842023264. Its totient is φ = 563250240.

The previous prime is 2142419999. The next prime is 2142420043. The reversal of 2142420030 is 300242412.

2142420030 is a `hidden beast` number, since 214 + 2 + 420 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2142419985 and 2142420012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38884 + ... + 76136.

Almost surely, 2^2142420030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142420030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921011632).

2142420030 is an abundant number, since it is smaller than the sum of its proper divisors (3699603234).

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

2142420030 is a wasteful number, since it uses less digits than its factorization.

2142420030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37343 (or 37334 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2142420030 is about 46286.2833893585. The cubic root of 2142420030 is about 1289.1443216692.

Adding to 2142420030 its reverse (300242412), we get a palindrome (2442662442).

The spelling of 2142420030 in words is "two billion, one hundred forty-two million, four hundred twenty thousand, thirty".