21233487925320 has 128 divisors (see below), whose sum is σ = 69494444657280. Its totient is φ = 5147287808000.

The previous prime is 21233487925303. The next prime is 21233487925357. The reversal of 21233487925320 is 2352978433212.

It is a super-2 number, since 2×21233487925320² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 30999340 + ... + 31676900.

It is an arithmetic number, because the mean of its divisors is an integer number (542925348885).

Almost surely, 2^{21233487925320} is an apocalyptic number.

21233487925320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21233487925320 is an abundant number, since it is smaller than the sum of its proper divisors (48260956731960).

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

21233487925320 is a wasteful number, since it uses less digits than its factorization.

21233487925320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701327 (or 701323 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 21233487925320 in words is "twenty-one trillion, two hundred thirty-three billion, four hundred eighty-seven million, nine hundred twenty-five thousand, three hundred twenty".