2085442130 has 16 divisors (see below), whose sum is σ = 3754367064. Its totient is φ = 834049920.

The previous prime is 2085442127. The next prime is 2085442153. The reversal of 2085442130 is 312445802.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 572309929 + 1513132201 = 23923^2 + 38899^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2085442093 and 2085442102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81710 + ... + 104150.

Almost surely, 2^2085442130 is an apocalyptic number.

2085442130 is a deficient number, since it is larger than the sum of its proper divisors (1668924934).

2085442130 is a wasteful number, since it uses less digits than its factorization.

2085442130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31741.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 2085442130 is about 45666.6413260270. The cubic root of 2085442130 is about 1277.6131728788.

Adding to 2085442130 its reverse (312445802), we get a palindrome (2397887932).

The spelling of 2085442130 in words is "two billion, eighty-five million, four hundred forty-two thousand, one hundred thirty".