20010312222 has 16 divisors (see below), whose sum is σ = 40026458880. Its totient is φ = 6669131672.

The previous prime is 20010312221. The next prime is 20010312239. The reversal of 20010312222 is 22221301002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010312221) 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, 197868 + ... + 281375.

It is an arithmetic number, because the mean of its divisors is an integer number (2501653680).

Almost surely, 2^20010312222 is an apocalyptic number.

20010312222 is an abundant number, since it is smaller than the sum of its proper divisors (20016146658).

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

20010312222 is a wasteful number, since it uses less digits than its factorization.

20010312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486207.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20010312222 its reverse (22221301002), we get a palindrome (42231613224).

The spelling of 20010312222 in words is "twenty billion, ten million, three hundred twelve thousand, two hundred twenty-two".