2042173030 has 16 divisors (see below), whose sum is σ = 3754123200. Its totient is φ = 799488832.

The previous prime is 2042173009. The next prime is 2042173031. The reversal of 2042173030 is 303712402.

It is a junction number, because it is equal to n+sod(n) for n = 2042172992 and 2042173010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042173031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2172055 + ... + 2172994.

It is an arithmetic number, because the mean of its divisors is an integer number (234632700).

Almost surely, 2^2042173030 is an apocalyptic number.

2042173030 is a deficient number, since it is larger than the sum of its proper divisors (1711950170).

2042173030 is a wasteful number, since it uses less digits than its factorization.

2042173030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345103.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 2042173030 is about 45190.4086062518. The cubic root of 2042173030 is about 1268.7153045104.

Adding to 2042173030 its reverse (303712402), we get a palindrome (2345885432).

The spelling of 2042173030 in words is "two billion, forty-two million, one hundred seventy-three thousand, thirty".