20122002211220 has 96 divisors (see below), whose sum is σ = 52098720850176. Its totient is φ = 6357128832000.

The previous prime is 20122002211121. The next prime is 20122002211247. The reversal of 20122002211220 is 2211220022102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8642081 + ... + 10720520.

It is an arithmetic number, because the mean of its divisors is an integer number (542695008856).

Almost surely, 2^{20122002211220} is an apocalyptic number.

20122002211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122002211220 is an abundant number, since it is smaller than the sum of its proper divisors (31976718638956).

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

20122002211220 is a wasteful number, since it uses less digits than its factorization.

20122002211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19363201 (or 19363199 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20122002211220 its reverse (2211220022102), we get a palindrome (22333222233322).

The spelling of 20122002211220 in words is "twenty trillion, one hundred twenty-two billion, two million, two hundred eleven thousand, two hundred twenty".