4021320204034 has 24 divisors (see below), whose sum is σ = 7016884958160. Its totient is φ = 1723400460936.

The previous prime is 4021320204023. The next prime is 4021320204091. The reversal of 4021320204034 is 4304020231204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8863977 + ... + 9306595.

It is an arithmetic number, because the mean of its divisors is an integer number (292370206590).

Almost surely, 2^{4021320204034} is an apocalyptic number.

4021320204034 is a deficient number, since it is larger than the sum of its proper divisors (2995564754126).

4021320204034 is a wasteful number, since it uses less digits than its factorization.

4021320204034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535342 (or 535335 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 4021320204034 its reverse (4304020231204), we get a palindrome (8325340435238).

The spelling of 4021320204034 in words is "four trillion, twenty-one billion, three hundred twenty million, two hundred four thousand, thirty-four".