7030020221 has 8 divisors (see below), whose sum is σ = 8035094400. Its totient is φ = 6025142448.

The previous prime is 7030020209. The next prime is 7030020233. The reversal of 7030020221 is 1220200307.

It is an interprime number because it is at equal distance from previous prime (7030020209) and next prime (7030020233).

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 7030020221 - 2⁶ = 7030020157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7030020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7030020281) 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, 37880 + ... + 124478.

It is an arithmetic number, because the mean of its divisors is an integer number (1004386800).

Almost surely, 2^7030020221 is an apocalyptic number.

It is an amenable number.

7030020221 is a deficient number, since it is larger than the sum of its proper divisors (1005074179).

7030020221 is a wasteful number, since it uses less digits than its factorization.

7030020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98203.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 7030020221 is about 83845.2158503990. The cubic root of 7030020221 is about 1915.6618836571.

Adding to 7030020221 its reverse (1220200307), we get a palindrome (8250220528).

The spelling of 7030020221 in words is "seven billion, thirty million, twenty thousand, two hundred twenty-one".