4020130394 has 32 divisors (see below), whose sum is σ = 7439281920. Its totient is φ = 1591172352.

The previous prime is 4020130393. The next prime is 4020130427. The reversal of 4020130394 is 4930310204.

It is a super-2 number, since 2×4020130394² = 32322896769525190472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4020130393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205919 + ... + 224594.

It is an arithmetic number, because the mean of its divisors is an integer number (232477560).

Almost surely, 2^4020130394 is an apocalyptic number.

4020130394 is a deficient number, since it is larger than the sum of its proper divisors (3419151526).

4020130394 is a wasteful number, since it uses less digits than its factorization.

4020130394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430574.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 4020130394 is about 63404.4982158206. The cubic root of 4020130394 is about 1590.0595146690.

Adding to 4020130394 its reverse (4930310204), we get a palindrome (8950440598).

The spelling of 4020130394 in words is "four billion, twenty million, one hundred thirty thousand, three hundred ninety-four".