20022100201020 has 96 divisors (see below), whose sum is σ = 59935945724928. Its totient is φ = 4976366625792.

The previous prime is 20022100200943. The next prime is 20022100201043. The reversal of 20022100201020 is 2010200122002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20022100200987 and 20022100201005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95183824 + ... + 95393943.

It is an arithmetic number, because the mean of its divisors is an integer number (624332767968).

Almost surely, 2^{20022100201020} is an apocalyptic number.

20022100201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022100201020 is an abundant number, since it is smaller than the sum of its proper divisors (39913845523908).

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

20022100201020 is a wasteful number, since it uses less digits than its factorization.

20022100201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190577899 (or 190577897 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20022100201020 its reverse (2010200122002), we get a palindrome (22032300323022).

The spelling of 20022100201020 in words is "twenty trillion, twenty-two billion, one hundred million, two hundred one thousand, twenty".