21202333012020 has 96 divisors (see below), whose sum is σ = 62820188928000. Its totient is φ = 5331960430720.

The previous prime is 21202333011941. The next prime is 21202333012033. The reversal of 21202333012020 is 2021033320212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108099270 + ... + 108295229.

It is an arithmetic number, because the mean of its divisors is an integer number (654376968000).

Almost surely, 2^{21202333012020} is an apocalyptic number.

21202333012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21202333012020 is an abundant number, since it is smaller than the sum of its proper divisors (41617855915980).

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

21202333012020 is a wasteful number, since it uses less digits than its factorization.

21202333012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216394605 (or 216394603 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21202333012020 its reverse (2021033320212), we get a palindrome (23223366332232).

The spelling of 21202333012020 in words is "twenty-one trillion, two hundred two billion, three hundred thirty-three million, twelve thousand, twenty".