20122102212020 has 24 divisors (see below), whose sum is σ = 42259399660800. Its totient is φ = 8048272310432.

The previous prime is 20122102212019. The next prime is 20122102212029. The reversal of 20122102212020 is 2021220122102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122102212020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122102212029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35245640 + ... + 35811999.

It is an arithmetic number, because the mean of its divisors is an integer number (1760808319200).

Almost surely, 2^{20122102212020} is an apocalyptic number.

20122102212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122102212020 is an abundant number, since it is smaller than the sum of its proper divisors (22137297448780).

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

20122102212020 is a wasteful number, since it uses less digits than its factorization.

20122102212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71071807 (or 71071805 counting only the distinct ones).

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

Adding to 20122102212020 its reverse (2021220122102), we get a palindrome (22143322334122).

The spelling of 20122102212020 in words is "twenty trillion, one hundred twenty-two billion, one hundred two million, two hundred twelve thousand, twenty".