10220302021 has 4 divisors (see below), whose sum is σ = 10224596844. Its totient is φ = 10216007200.

The previous prime is 10220301979. The next prime is 10220302093. The reversal of 10220302021 is 12020302201.

10220302021 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4171351396 + 6048950625 = 64586^2 + 77775^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220302021 - 2¹³ = 10220293829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220301992 and 10220302010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220302621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143840 + ... + 2148601.

It is an arithmetic number, because the mean of its divisors is an integer number (2556149211).

Almost surely, 2^10220302021 is an apocalyptic number.

It is an amenable number.

10220302021 is a deficient number, since it is larger than the sum of its proper divisors (4294823).

10220302021 is an equidigital number, since it uses as much as digits as its factorization.

10220302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294822.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10220302021 its reverse (12020302201), we get a palindrome (22240604222).

The spelling of 10220302021 in words is "ten billion, two hundred twenty million, three hundred two thousand, twenty-one".