122222200020020 has 24 divisors (see below), whose sum is σ = 265517193148200. Its totient is φ = 47203056559232.

The previous prime is 122222200020013. The next prime is 122222200020097. The reversal of 122222200020020 is 20020002222221.

It can be written as a sum of positive squares in 4 ways, for example, as 948761713936 + 121273438306084 = 974044^2 + 11012422^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105363964955 + ... + 105363966114.

It is an arithmetic number, because the mean of its divisors is an integer number (11063216381175).

Almost surely, 2^{122222200020020} is an apocalyptic number.

122222200020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222200020020 is an abundant number, since it is smaller than the sum of its proper divisors (143294993128180).

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

122222200020020 is a wasteful number, since it uses less digits than its factorization.

122222200020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210727931107 (or 210727931105 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 122222200020020 its reverse (20020002222221), we get a palindrome (142242202242241).

The spelling of 122222200020020 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred million, twenty thousand, twenty".