400220220202 has 8 divisors (see below), whose sum is σ = 654905814912. Its totient is φ = 181918281900.

The previous prime is 400220220199. The next prime is 400220220203. The reversal of 400220220202 is 202022022004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (400220220203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9095914074 + ... + 9095914117.

It is an arithmetic number, because the mean of its divisors is an integer number (81863226864).

Almost surely, 2^400220220202 is an apocalyptic number.

400220220202 is a deficient number, since it is larger than the sum of its proper divisors (254685594710).

400220220202 is a wasteful number, since it uses less digits than its factorization.

400220220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18191828204.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 400220220202 its reverse (202022022004), we get a palindrome (602242242206).

The spelling of 400220220202 in words is "four hundred billion, two hundred twenty million, two hundred twenty thousand, two hundred two".