20233223012 has 18 divisors (see below), whose sum is σ = 35913906294. Its totient is φ = 9974114080.

The previous prime is 20233223009. The next prime is 20233223033. The reversal of 20233223012 is 21032233202.

It can be written as a sum of positive squares in only one way, i.e., 15332382976 + 4900840036 = 123824^2 + 70006^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 481553 + ... + 521880.

Almost surely, 2^20233223012 is an apocalyptic number.

It is an amenable number.

20233223012 is a deficient number, since it is larger than the sum of its proper divisors (15680683282).

20233223012 is a wasteful number, since it uses less digits than its factorization.

20233223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003579 (or 1003506 counting only the distinct ones).

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

Adding to 20233223012 its reverse (21032233202), we get a palindrome (41265456214).

The spelling of 20233223012 in words is "twenty billion, two hundred thirty-three million, two hundred twenty-three thousand, twelve".