20122002220122 has 32 divisors (see below), whose sum is σ = 48780611444160. Its totient is φ = 6097576430160.

The previous prime is 20122002220081. The next prime is 20122002220127. The reversal of 20122002220122 is 22102220022102.

20122002220122 is a `hidden beast` number, since 201 + 220 + 0 + 2 + 220 + 1 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20122002220095 and 20122002220104.

It is not an unprimeable number, because it can be changed into a prime (20122002220127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16937711713 + ... + 16937712900.

It is an arithmetic number, because the mean of its divisors is an integer number (1524394107630).

Almost surely, 2^{20122002220122} is an apocalyptic number.

20122002220122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20122002220122 is an abundant number, since it is smaller than the sum of its proper divisors (28658609224038).

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

20122002220122 is a wasteful number, since it uses less digits than its factorization.

20122002220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33875424635 (or 33875424629 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20122002220122 its reverse (22102220022102), we get a palindrome (42224222242224).

The spelling of 20122002220122 in words is "twenty trillion, one hundred twenty-two billion, two million, two hundred twenty thousand, one hundred twenty-two".