21322212020232 has 32 divisors (see below), whose sum is σ = 56441149466400. Its totient is φ = 6689321417984.

The previous prime is 21322212020171. The next prime is 21322212020257. The reversal of 21322212020232 is 23202021222312.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26130161382 + ... + 26130162197.

It is an arithmetic number, because the mean of its divisors is an integer number (1763785920825).

Almost surely, 2^{21322212020232} is an apocalyptic number.

It is an amenable number.

21322212020232 is an abundant number, since it is smaller than the sum of its proper divisors (35118937446168).

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

21322212020232 is a wasteful number, since it uses less digits than its factorization.

21322212020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52260323605 (or 52260323601 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21322212020232 its reverse (23202021222312), we get a palindrome (44524233242544).

The spelling of 21322212020232 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred twelve million, twenty thousand, two hundred thirty-two".