2030020221 has 4 divisors (see below), whose sum is σ = 2706693632. Its totient is φ = 1353346812.

The previous prime is 2030020219. The next prime is 2030020231. The reversal of 2030020221 is 1220200302.

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 not a de Polignac number, because 2030020221 - 2¹ = 2030020219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2030020197 and 2030020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030020231) 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, 338336701 + ... + 338336706.

It is an arithmetic number, because the mean of its divisors is an integer number (676673408).

Almost surely, 2^2030020221 is an apocalyptic number.

It is an amenable number.

2030020221 is a deficient number, since it is larger than the sum of its proper divisors (676673411).

2030020221 is an equidigital number, since it uses as much as digits as its factorization.

2030020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676673410.

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

The square root of 2030020221 is about 45055.7457046268. The cubic root of 2030020221 is about 1266.1936211977.

Adding to 2030020221 its reverse (1220200302), we get a palindrome (3250220523).

The spelling of 2030020221 in words is "two billion, thirty million, twenty thousand, two hundred twenty-one".