2021220233 has 8 divisors (see below), whose sum is σ = 2051087808. Its totient is φ = 1991484144.

The previous prime is 2021220211. The next prime is 2021220239. The reversal of 2021220233 is 3320221202.

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 2021220233 - 2²⁸ = 1752784777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021220239) 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, 1685 + ... + 63602.

It is an arithmetic number, because the mean of its divisors is an integer number (256385976).

Almost surely, 2^2021220233 is an apocalyptic number.

It is an amenable number.

2021220233 is a deficient number, since it is larger than the sum of its proper divisors (29867575).

2021220233 is an equidigital number, since it uses as much as digits as its factorization.

2021220233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65743.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2021220233 is about 44957.9829729938. The cubic root of 2021220233 is about 1264.3613523913.

Adding to 2021220233 its reverse (3320221202), we get a palindrome (5341441435).

The spelling of 2021220233 in words is "two billion, twenty-one million, two hundred twenty thousand, two hundred thirty-three".