20221333002 has 48 divisors (see below), whose sum is σ = 47462393160. Its totient is φ = 6221936448.

The previous prime is 20221333001. The next prime is 20221333007. The reversal of 20221333002 is 20033312202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2147488281 + 18073844721 = 46341^2 + 134439^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20221333001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216123 + ... + 295214.

Almost surely, 2^20221333002 is an apocalyptic number.

20221333002 is an abundant number, since it is smaller than the sum of its proper divisors (27241060158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20221333002 is a wasteful number, since it uses less digits than its factorization.

20221333002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511384 (or 511355 counting only the distinct ones).

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

Adding to 20221333002 its reverse (20033312202), we get a palindrome (40254645204).

The spelling of 20221333002 in words is "twenty billion, two hundred twenty-one million, three hundred thirty-three thousand, two".