10223031232220 has 96 divisors (see below), whose sum is σ = 23228425442880. Its totient is φ = 3767259525120.

The previous prime is 10223031232199. The next prime is 10223031232229. The reversal of 10223031232220 is 2223213032201.

It is a super-2 number, since 2×10223031232220² (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 (10223031232229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29810 + ... + 4521830.

It is an arithmetic number, because the mean of its divisors is an integer number (241962765030).

Almost surely, 2^{10223031232220} is an apocalyptic number.

10223031232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10223031232220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11614212721440).

10223031232220 is an abundant number, since it is smaller than the sum of its proper divisors (13005394210660).

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

10223031232220 is a wasteful number, since it uses less digits than its factorization.

10223031232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4492215 (or 4492213 counting only the distinct ones).

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

Adding to 10223031232220 its reverse (2223213032201), we get a palindrome (12446244264421).

The spelling of 10223031232220 in words is "ten trillion, two hundred twenty-three billion, thirty-one million, two hundred thirty-two thousand, two hundred twenty".