20012220122020 has 48 divisors (see below), whose sum is σ = 48127951307520. Its totient is φ = 6847243611264.

The previous prime is 20012220122009. The next prime is 20012220122039. The reversal of 20012220122020 is 2022102221002.

It is a junction number, because it is equal to n+sod(n) for n = 20012220121985 and 20012220122003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146692015 + ... + 146828374.

It is an arithmetic number, because the mean of its divisors is an integer number (1002665652240).

Almost surely, 2^{20012220122020} is an apocalyptic number.

20012220122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012220122020 is an abundant number, since it is smaller than the sum of its proper divisors (28115731185500).

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

20012220122020 is a wasteful number, since it uses less digits than its factorization.

20012220122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293520892 (or 293520890 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20012220122020 its reverse (2022102221002), we get a palindrome (22034322343022).

The spelling of 20012220122020 in words is "twenty trillion, twelve billion, two hundred twenty million, one hundred twenty-two thousand, twenty".