20221333004 has 24 divisors (see below), whose sum is σ = 36262816128. Its totient is φ = 9860696960.

The previous prime is 20221333001. The next prime is 20221333007. The reversal of 20221333004 is 40033312202.

It is an interprime number because it is at equal distance from previous prime (20221333001) and next prime (20221333007).

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 7 ways as a sum of consecutive naturals, for example, 499922 + ... + 538854.

It is an arithmetic number, because the mean of its divisors is an integer number (1510950672).

Almost surely, 2^20221333004 is an apocalyptic number.

It is an amenable number.

20221333004 is a deficient number, since it is larger than the sum of its proper divisors (16041483124).

20221333004 is a wasteful number, since it uses less digits than its factorization.

20221333004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42145 (or 42143 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20221333004 its reverse (40033312202), we get a palindrome (60254645206).

The spelling of 20221333004 in words is "twenty billion, two hundred twenty-one million, three hundred thirty-three thousand, four".