220401001421144 has 64 divisors (see below), whose sum is σ = 438437924044800. Its totient is φ = 103575887218944.

The previous prime is 220401001421113. The next prime is 220401001421173. The reversal of 220401001421144 is 441124100104022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958579604 + ... + 958809500.

It is an arithmetic number, because the mean of its divisors is an integer number (6850592563200).

Almost surely, 2^{220401001421144} is an apocalyptic number.

It is an amenable number.

220401001421144 is a deficient number, since it is larger than the sum of its proper divisors (218036922623656).

220401001421144 is a wasteful number, since it uses less digits than its factorization.

220401001421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279712 (or 279708 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 220401001421144 its reverse (441124100104022), we get a palindrome (661525101525166).

The spelling of 220401001421144 in words is "two hundred twenty trillion, four hundred one billion, one million, four hundred twenty-one thousand, one hundred forty-four".