893221771220 has 24 divisors (see below), whose sum is σ = 1876307524224. Its totient is φ = 357185507616.

The previous prime is 893221771207. The next prime is 893221771223. The reversal of 893221771220 is 22177122398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893221771223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6379064 + ... + 6517583.

It is an arithmetic number, because the mean of its divisors is an integer number (78179480176).

Almost surely, 2^893221771220 is an apocalyptic number.

It is an amenable number.

893221771220 is an abundant number, since it is smaller than the sum of its proper divisors (983085753004).

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

893221771220 is a wasteful number, since it uses less digits than its factorization.

893221771220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12900119 (or 12900117 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 893221771220 in words is "eight hundred ninety-three billion, two hundred twenty-one million, seven hundred seventy-one thousand, two hundred twenty".