4020020300221 has 4 divisors (see below), whose sum is σ = 4039072529344. Its totient is φ = 4000968071100.

The previous prime is 4020020300203. The next prime is 4020020300251. The reversal of 4020020300221 is 1220030200204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4020020300221 - 2²³ = 4020011911613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4020020300195 and 4020020300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020020300251) 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, 9526114245 + ... + 9526114666.

It is an arithmetic number, because the mean of its divisors is an integer number (1009768132336).

Almost surely, 2^{4020020300221} is an apocalyptic number.

It is an amenable number.

4020020300221 is a deficient number, since it is larger than the sum of its proper divisors (19052229123).

4020020300221 is a wasteful number, since it uses less digits than its factorization.

4020020300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19052229122.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 4020020300221 its reverse (1220030200204), we get a palindrome (5240050500425).

The spelling of 4020020300221 in words is "four trillion, twenty billion, twenty million, three hundred thousand, two hundred twenty-one".