220221202004 has 24 divisors (see below), whose sum is σ = 391213908960. Its totient is φ = 108446427936.

The previous prime is 220221201953. The next prime is 220221202009. The reversal of 220221202004 is 400202122022.

220221202004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221202009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376474 + ... + 1528110.

It is an arithmetic number, because the mean of its divisors is an integer number (16300579540).

Almost surely, 2^220221202004 is an apocalyptic number.

It is an amenable number.

220221202004 is a deficient number, since it is larger than the sum of its proper divisors (170992706956).

220221202004 is a wasteful number, since it uses less digits than its factorization.

220221202004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157127 (or 157125 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 220221202004 its reverse (400202122022), we get a palindrome (620423324026).

The spelling of 220221202004 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred two thousand, four".