4021020334130 has 64 divisors (see below), whose sum is σ = 7709324415840. Its totient is φ = 1510013440000.

The previous prime is 4021020334091. The next prime is 4021020334169. The reversal of 4021020334130 is 314330201204.

4021020334130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4021020334091) and next prime (4021020334169).

It can be written as a sum of positive squares in 16 ways, for example, as 2835280101241 + 1185740232889 = 1683829^2 + 1088917^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4021020334096 and 4021020334105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19599080 + ... + 19803180.

Almost surely, 2^{4021020334130} is an apocalyptic number.

4021020334130 is a deficient number, since it is larger than the sum of its proper divisors (3688304081710).

4021020334130 is a wasteful number, since it uses less digits than its factorization.

4021020334130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204560 (or 204526 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 4021020334130 its reverse (314330201204), we get a palindrome (4335350535334).

The spelling of 4021020334130 in words is "four trillion, twenty-one billion, twenty million, three hundred thirty-four thousand, one hundred thirty".