20010222201020 has 12 divisors (see below), whose sum is σ = 42021466622184. Its totient is φ = 8004088880400.

The previous prime is 20010222201007. The next prime is 20010222201031. The reversal of 20010222201020 is 2010222201002.

It is a junction number, because it is equal to n+sod(n) for n = 20010222200986 and 20010222201004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500255555006 + ... + 500255555045.

It is an arithmetic number, because the mean of its divisors is an integer number (3501788885182).

Almost surely, 2^{20010222201020} is an apocalyptic number.

20010222201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010222201020 is an abundant number, since it is smaller than the sum of its proper divisors (22011244421164).

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

20010222201020 is a wasteful number, since it uses less digits than its factorization.

20010222201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000511110060 (or 1000511110058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20010222201020 its reverse (2010222201002), we get a palindrome (22020444402022).

The spelling of 20010222201020 in words is "twenty trillion, ten billion, two hundred twenty-two million, two hundred one thousand, twenty".