220021223032310 has 16 divisors (see below), whose sum is σ = 452615087380896. Its totient is φ = 75435847896768.

The previous prime is 220021223032243. The next prime is 220021223032313. The reversal of 220021223032310 is 13230322120022.

It is a super-2 number, since 2×220021223032310² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021223032313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571580164447 + ... + 1571580164586.

It is an arithmetic number, because the mean of its divisors is an integer number (28288442961306).

Almost surely, 2^{220021223032310} is an apocalyptic number.

220021223032310 is an abundant number, since it is smaller than the sum of its proper divisors (232593864348586).

220021223032310 is a wasteful number, since it uses less digits than its factorization.

220021223032310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143160329047.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 220021223032310 its reverse (13230322120022), we get a palindrome (233251545152332).

The spelling of 220021223032310 in words is "two hundred twenty trillion, twenty-one billion, two hundred twenty-three million, thirty-two thousand, three hundred ten".