20031310222 has 64 divisors (see below), whose sum is σ = 40632399360. Its totient is φ = 7166131200.

The previous prime is 20031310163. The next prime is 20031310223. The reversal of 20031310222 is 22201313002.

It is a junction number, because it is equal to n+sod(n) for n = 20031310196 and 20031310205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031310223) 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, 14029 + ... + 200647.

It is an arithmetic number, because the mean of its divisors is an integer number (634881240).

Almost surely, 2^20031310222 is an apocalyptic number.

20031310222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20031310222 is an abundant number, since it is smaller than the sum of its proper divisors (20601089138).

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

20031310222 is a wasteful number, since it uses less digits than its factorization.

20031310222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186697.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20031310222 its reverse (22201313002), we get a palindrome (42232623224).

The spelling of 20031310222 in words is "twenty billion, thirty-one million, three hundred ten thousand, two hundred twenty-two".