220404340202 has 4 divisors (see below), whose sum is σ = 330606510306. Its totient is φ = 110202170100.

The previous prime is 220404340193. The next prime is 220404340207. The reversal of 220404340202 is 202043404022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 113670796801 + 106733543401 = 337151^2 + 326701^2 .

It is not an unprimeable number, because it can be changed into a prime (220404340207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55101085049 + ... + 55101085052.

Almost surely, 2^220404340202 is an apocalyptic number.

220404340202 is a deficient number, since it is larger than the sum of its proper divisors (110202170104).

220404340202 is a wasteful number, since it uses less digits than its factorization.

220404340202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110202170103.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 220404340202 its reverse (202043404022), we get a palindrome (422447744224).

The spelling of 220404340202 in words is "two hundred twenty billion, four hundred four million, three hundred forty thousand, two hundred two".