2022022100020 has 96 divisors (see below), whose sum is σ = 4631684123808. Its totient is φ = 737031094272.

The previous prime is 2022022099987. The next prime is 2022022100099. The reversal of 2022022100020 is 200012202202.

It can be written as a sum of positive squares in 16 ways, for example, as 490081203364 + 1531940896656 = 700058^2 + 1237716^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 9911364 + ... + 10113316.

It is an arithmetic number, because the mean of its divisors is an integer number (48246709623).

Almost surely, 2^{2022022100020} is an apocalyptic number.

2022022100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2022022100020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2315842061904).

2022022100020 is an abundant number, since it is smaller than the sum of its proper divisors (2609662023788).

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

2022022100020 is a wasteful number, since it uses less digits than its factorization.

2022022100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202469 (or 202467 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2022022100020 its reverse (200012202202), we get a palindrome (2222034302222).

The spelling of 2022022100020 in words is "two trillion, twenty-two billion, twenty-two million, one hundred thousand, twenty".