21476522223320 has 192 divisors, whose sum is σ = 49694185376640. Its totient is φ = 8350392960000.

The previous prime is 21476522223283. The next prime is 21476522223361. The reversal of 21476522223320 is 2332222567412.

21476522223320 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×21476522223320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28597232945 + ... + 28597233695.

It is an arithmetic number, because the mean of its divisors is an integer number (258823882170).

Almost surely, 2^{21476522223320} is an apocalyptic number.

21476522223320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21476522223320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24847092688320).

21476522223320 is an abundant number, since it is smaller than the sum of its proper divisors (28217663153320).

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

21476522223320 is a wasteful number, since it uses less digits than its factorization.

21476522223320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 21476522223320 in words is "twenty-one trillion, four hundred seventy-six billion, five hundred twenty-two million, two hundred twenty-three thousand, three hundred twenty".