220001203232 has 12 divisors (see below), whose sum is σ = 433127368926. Its totient is φ = 110000601600.

The previous prime is 220001203231. The next prime is 220001203259. The reversal of 220001203232 is 232302100022.

It can be written as a sum of positive squares in only one way, i.e., 164702858896 + 55298344336 = 405836^2 + 235156^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220001203232.

It is not an unprimeable number, because it can be changed into a prime (220001203231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3437518769 + ... + 3437518832.

Almost surely, 2^220001203232 is an apocalyptic number.

It is an amenable number.

220001203232 is a deficient number, since it is larger than the sum of its proper divisors (213126165694).

220001203232 is an equidigital number, since it uses as much as digits as its factorization.

220001203232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875037611 (or 6875037603 counting only the distinct ones).

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

Adding to 220001203232 its reverse (232302100022), we get a palindrome (452303303254).

The spelling of 220001203232 in words is "two hundred twenty billion, one million, two hundred three thousand, two hundred thirty-two".