10020442430221 has 16 divisors (see below), whose sum is σ = 10736488984320. Its totient is φ = 9318609625600.

The previous prime is 10020442430209. The next prime is 10020442430291. The reversal of 10020442430221 is 12203424402001.

It is a cyclic number.

It is not a de Polignac number, because 10020442430221 - 2¹⁵ = 10020442397453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020442430291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86821 + ... + 4477546.

It is an arithmetic number, because the mean of its divisors is an integer number (671030561520).

Almost surely, 2^{10020442430221} is an apocalyptic number.

It is an amenable number.

10020442430221 is a deficient number, since it is larger than the sum of its proper divisors (716046554099).

10020442430221 is a wasteful number, since it uses less digits than its factorization.

10020442430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565924.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10020442430221 its reverse (12203424402001), we get a palindrome (22223866832222).

The spelling of 10020442430221 in words is "ten trillion, twenty billion, four hundred forty-two million, four hundred thirty thousand, two hundred twenty-one".