4020330219881 has 2 divisors, whose sum is σ = 4020330219882. Its totient is φ = 4020330219880.

The previous prime is 4020330219877. The next prime is 4020330219887. The reversal of 4020330219881 is 1889120330204.

4020330219881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4017282627856 + 3047592025 = 2004316^2 + 55205^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020330219881 - 2² = 4020330219877 is a prime.

It is a super-2 number, since 2×4020330219881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4020330219887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010165109940 + 2010165109941.

It is an arithmetic number, because the mean of its divisors is an integer number (2010165109941).

Almost surely, 2^{4020330219881} is an apocalyptic number.

It is an amenable number.

4020330219881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4020330219881 is an equidigital number, since it uses as much as digits as its factorization.

4020330219881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 4020330219881 in words is "four trillion, twenty billion, three hundred thirty million, two hundred nineteen thousand, eight hundred eighty-one".