2120042030 has 32 divisors (see below), whose sum is σ = 3848148000. Its totient is φ = 840909952.

The previous prime is 2120042027. The next prime is 2120042047. The reversal of 2120042030 is 302400212.

It is a junction number, because it is equal to n+sod(n) for n = 2120041996 and 2120042014.

It is a congruent number.

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, 1651769 + ... + 1653051.

It is an arithmetic number, because the mean of its divisors is an integer number (120254625).

Almost surely, 2^2120042030 is an apocalyptic number.

2120042030 is a deficient number, since it is larger than the sum of its proper divisors (1728105970).

2120042030 is a wasteful number, since it uses less digits than its factorization.

2120042030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2120042030 is about 46043.9141472573. The cubic root of 2120042030 is about 1284.6401471326.

Adding to 2120042030 its reverse (302400212), we get a palindrome (2422442242).

The spelling of 2120042030 in words is "two billion, one hundred twenty million, forty-two thousand, thirty".