221402002014320 has 20 divisors (see below), whose sum is σ = 514759654683480. Its totient is φ = 88560800805696.

The previous prime is 221402002014311. The next prime is 221402002014341. The reversal of 221402002014320 is 23410200204122.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 1383762512510 + ... + 1383762512669.

It is an arithmetic number, because the mean of its divisors is an integer number (25737982734174).

Almost surely, 2^{221402002014320} is an apocalyptic number.

221402002014320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221402002014320 is an abundant number, since it is smaller than the sum of its proper divisors (293357652669160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221402002014320 is a wasteful number, since it uses less digits than its factorization.

221402002014320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767525025192 (or 2767525025186 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 221402002014320 its reverse (23410200204122), we get a palindrome (244812202218442).

The spelling of 221402002014320 in words is "two hundred twenty-one trillion, four hundred two billion, two million, fourteen thousand, three hundred twenty".