20220021333 has 10 divisors (see below), whose sum is σ = 30205217174. Its totient is φ = 13480014168.

The previous prime is 20220021329. The next prime is 20220021377. The reversal of 20220021333 is 33312002202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12531011364 + 7689009969 = 111942^2 + 87687^2 .

It is not a de Polignac number, because 20220021333 - 2² = 20220021329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220021313) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 124814866 + ... + 124815027.

Almost surely, 2^20220021333 is an apocalyptic number.

It is an amenable number.

20220021333 is a deficient number, since it is larger than the sum of its proper divisors (9985195841).

20220021333 is an equidigital number, since it uses as much as digits as its factorization.

20220021333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249629905 (or 249629896 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20220021333 its reverse (33312002202), we get a palindrome (53532023535).

The spelling of 20220021333 in words is "twenty billion, two hundred twenty million, twenty-one thousand, three hundred thirty-three".