220203202312 has 8 divisors (see below), whose sum is σ = 412881004350. Its totient is φ = 110101601152.

The previous prime is 220203202283. The next prime is 220203202327. The reversal of 220203202312 is 213202302022.

It can be written as a sum of positive squares in only one way, i.e., 190265205636 + 29937996676 = 436194^2 + 173026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 220203202312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13762700137 + ... + 13762700152.

Almost surely, 2^220203202312 is an apocalyptic number.

It is an amenable number.

220203202312 is a deficient number, since it is larger than the sum of its proper divisors (192677802038).

220203202312 is a wasteful number, since it uses less digits than its factorization.

220203202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27525400295 (or 27525400291 counting only the distinct ones).

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

Adding to 220203202312 its reverse (213202302022), we get a palindrome (433405504334).

The spelling of 220203202312 in words is "two hundred twenty billion, two hundred three million, two hundred two thousand, three hundred twelve".