4020204420041 has 4 divisors (see below), whose sum is σ = 4020208673172. Its totient is φ = 4020200166912.

The previous prime is 4020204419999. The next prime is 4020204420097. The reversal of 4020204420041 is 1400244020204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1006803532816 + 3013400887225 = 1003396^2 + 1735915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4020204420041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4020204419989 and 4020204420016.

It is not an unprimeable number, because it can be changed into a prime (4020209420041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425 + ... + 2835561.

It is an arithmetic number, because the mean of its divisors is an integer number (1005052168293).

Almost surely, 2^{4020204420041} is an apocalyptic number.

It is an amenable number.

4020204420041 is a deficient number, since it is larger than the sum of its proper divisors (4253131).

4020204420041 is a wasteful number, since it uses less digits than its factorization.

4020204420041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253130.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 4020204420041 its reverse (1400244020204), we get a palindrome (5420448440245).

The spelling of 4020204420041 in words is "four trillion, twenty billion, two hundred four million, four hundred twenty thousand, forty-one".