20010222222220 has 96 divisors (see below), whose sum is σ = 42654123832320. Its totient is φ = 7884076861440.

The previous prime is 20010222222149. The next prime is 20010222222283. The reversal of 20010222222220 is 2222222201002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2512895959 + ... + 2512903921.

It is an arithmetic number, because the mean of its divisors is an integer number (444313789920).

Almost surely, 2^{20010222222220} is an apocalyptic number.

20010222222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010222222220 is an abundant number, since it is smaller than the sum of its proper divisors (22643901610100).

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

20010222222220 is a wasteful number, since it uses less digits than its factorization.

20010222222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615 (or 11613 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20010222222220 its reverse (2222222201002), we get a palindrome (22232444423222).

The spelling of 20010222222220 in words is "twenty trillion, ten billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty".