21302202133120 has 64 divisors (see below), whose sum is σ = 53139732531840. Its totient is φ = 8150407767040.

The previous prime is 21302202133117. The next prime is 21302202133133. The reversal of 21302202133120 is 2133120220312.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 21302202133091 and 21302202133100.

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, 723565516 + ... + 723594955.

It is an arithmetic number, because the mean of its divisors is an integer number (830308320810).

Almost surely, 2^{21302202133120} is an apocalyptic number.

21302202133120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21302202133120 is an abundant number, since it is smaller than the sum of its proper divisors (31837530398720).

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

21302202133120 is a wasteful number, since it uses less digits than its factorization.

21302202133120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447160513 (or 1447160501 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21302202133120 its reverse (2133120220312), we get a palindrome (23435322353432).

The spelling of 21302202133120 in words is "twenty-one trillion, three hundred two billion, two hundred two million, one hundred thirty-three thousand, one hundred twenty".