20033201224 has 16 divisors (see below), whose sum is σ = 38478405420. Its totient is φ = 9772293120.

The previous prime is 20033201213. The next prime is 20033201231. The reversal of 20033201224 is 42210233002.

It can be written as a sum of positive squares in 2 ways, for example, as 16108178724 + 3925022500 = 126918^2 + 62650^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30538089 + ... + 30538744.

Almost surely, 2^20033201224 is an apocalyptic number.

It is an amenable number.

20033201224 is a deficient number, since it is larger than the sum of its proper divisors (18445204196).

20033201224 is a wasteful number, since it uses less digits than its factorization.

20033201224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61076880 (or 61076876 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20033201224 its reverse (42210233002), we get a palindrome (62243434226).

The spelling of 20033201224 in words is "twenty billion, thirty-three million, two hundred one thousand, two hundred twenty-four".