4020024020221 has 8 divisors (see below), whose sum is σ = 4392258934464. Its totient is φ = 3648918803520.

The previous prime is 4020024020149. The next prime is 4020024020251. The reversal of 4020024020221 is 1220204200204.

4020024020221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020024020221 - 2¹³ = 4020024012029 is a prime.

It is a super-2 number, since 2×4020024020221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020024020251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282416940 + ... + 282431173.

It is an arithmetic number, because the mean of its divisors is an integer number (549032366808).

Almost surely, 2^{4020024020221} is an apocalyptic number.

It is an amenable number.

4020024020221 is a deficient number, since it is larger than the sum of its proper divisors (372234914243).

4020024020221 is a wasteful number, since it uses less digits than its factorization.

4020024020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564848771.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 4020024020221 its reverse (1220204200204), we get a palindrome (5240228220425).

The spelling of 4020024020221 in words is "four trillion, twenty billion, twenty-four million, twenty thousand, two hundred twenty-one".