20020030221 has 8 divisors (see below), whose sum is σ = 26957664864. Its totient is φ = 13214541200.

The previous prime is 20020030213. The next prime is 20020030241. The reversal of 20020030221 is 12203002002.

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 20020030221 - 2³ = 20020030213 is a prime.

It is a super-2 number, since 2×20020030221² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20020030197 and 20020030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020030211) 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, 33036051 + ... + 33036656.

It is an arithmetic number, because the mean of its divisors is an integer number (3369708108).

Almost surely, 2^20020030221 is an apocalyptic number.

It is an amenable number.

20020030221 is a deficient number, since it is larger than the sum of its proper divisors (6937634643).

20020030221 is a wasteful number, since it uses less digits than its factorization.

20020030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66072811.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20020030221 its reverse (12203002002), we get a palindrome (32223032223).

The spelling of 20020030221 in words is "twenty billion, twenty million, thirty thousand, two hundred twenty-one".