20223033530 has 24 divisors (see below), whose sum is σ = 42344556948. Its totient is φ = 6933611328.

The previous prime is 20223033529. The next prime is 20223033533. The reversal of 20223033530 is 3533032202.

It can be written as a sum of positive squares in 2 ways, for example, as 18314479561 + 1908553969 = 135331^2 + 43687^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20223033496 and 20223033505.

It is not an unprimeable number, because it can be changed into a prime (20223033533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20635259 + ... + 20636238.

Almost surely, 2^20223033530 is an apocalyptic number.

20223033530 is an abundant number, since it is smaller than the sum of its proper divisors (22121523418).

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

20223033530 is a wasteful number, since it uses less digits than its factorization.

20223033530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41271518 (or 41271511 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

Adding to 20223033530 its reverse (3533032202), we get a palindrome (23756065732).

The spelling of 20223033530 in words is "twenty billion, two hundred twenty-three million, thirty-three thousand, five hundred thirty".