20002213232 has 40 divisors (see below), whose sum is σ = 39552825600. Its totient is φ = 9796704192.

The previous prime is 20002213229. The next prime is 20002213237. The reversal of 20002213232 is 23231220002.

It is a self number, because there is not a number n which added to its sum of digits gives 20002213232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002213237) 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, 139769 + ... + 244007.

It is an arithmetic number, because the mean of its divisors is an integer number (988820640).

Almost surely, 2^20002213232 is an apocalyptic number.

It is an amenable number.

20002213232 is a deficient number, since it is larger than the sum of its proper divisors (19550612368).

20002213232 is a wasteful number, since it uses less digits than its factorization.

20002213232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104493 (or 104487 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20002213232 its reverse (23231220002), we get a palindrome (43233433234).

The spelling of 20002213232 in words is "twenty billion, two million, two hundred thirteen thousand, two hundred thirty-two".