20122120012020 has 96 divisors (see below), whose sum is σ = 60873573307008. Its totient is φ = 4937003177472.

The previous prime is 20122120011997. The next prime is 20122120012039. The reversal of 20122120012020 is 2021002122102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 41776159 + ... + 42255078.

It is an arithmetic number, because the mean of its divisors is an integer number (634099721948).

Almost surely, 2^{20122120012020} is an apocalyptic number.

20122120012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122120012020 is an abundant number, since it is smaller than the sum of its proper divisors (40751453294988).

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

20122120012020 is a wasteful number, since it uses less digits than its factorization.

20122120012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84031569 (or 84031567 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20122120012020 its reverse (2021002122102), we get a palindrome (22143122134122).

The spelling of 20122120012020 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty million, twelve thousand, twenty".