21302020222310 has 32 divisors (see below), whose sum is σ = 38723810458752. Its totient is φ = 8436327292800.

The previous prime is 21302020222303. The next prime is 21302020222313. The reversal of 21302020222310 is 1322202020312.

It is a happy number.

It is a super-2 number, since 2×21302020222310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21302020222313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138710387 + ... + 138863873.

It is an arithmetic number, because the mean of its divisors is an integer number (1210119076836).

Almost surely, 2^{21302020222310} is an apocalyptic number.

21302020222310 is a deficient number, since it is larger than the sum of its proper divisors (17421790236442).

21302020222310 is a wasteful number, since it uses less digits than its factorization.

21302020222310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291008.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21302020222310 its reverse (1322202020312), we get a palindrome (22624222242622).

The spelling of 21302020222310 in words is "twenty-one trillion, three hundred two billion, twenty million, two hundred twenty-two thousand, three hundred ten".