20313230200220 has 48 divisors (see below), whose sum is σ = 42879243093120. Its totient is φ = 8083177503744.

The previous prime is 20313230200163. The next prime is 20313230200223. The reversal of 20313230200220 is 2200203231302.

It is a super-2 number, since 2×20313230200220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20313230200192 and 20313230200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313230200223) 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, 2634452 + ... + 6896868.

It is an arithmetic number, because the mean of its divisors is an integer number (893317564440).

Almost surely, 2^{20313230200220} is an apocalyptic number.

20313230200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313230200220 is an abundant number, since it is smaller than the sum of its proper divisors (22566012892900).

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

20313230200220 is a wasteful number, since it uses less digits than its factorization.

20313230200220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263662 (or 4263660 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20313230200220 its reverse (2200203231302), we get a palindrome (22513433431522).

The spelling of 20313230200220 in words is "twenty trillion, three hundred thirteen billion, two hundred thirty million, two hundred thousand, two hundred twenty".