210022202012020 has 12 divisors (see below), whose sum is σ = 441046624225284. Its totient is φ = 84008880804800.

The previous prime is 210022202012003. The next prime is 210022202012027. The reversal of 210022202012020 is 20210202220012.

It can be written as a sum of positive squares in 2 ways, for example, as 146637229296996 + 63384972715024 = 12109386^2 + 7961468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210022202011985 and 210022202012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022202012027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250555050281 + ... + 5250555050320.

It is an arithmetic number, because the mean of its divisors is an integer number (36753885352107).

Almost surely, 2^{210022202012020} is an apocalyptic number.

210022202012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210022202012020 is an abundant number, since it is smaller than the sum of its proper divisors (231024422213264).

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

210022202012020 is a wasteful number, since it uses less digits than its factorization.

210022202012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501110100610 (or 10501110100608 counting only the distinct ones).

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

Adding to 210022202012020 its reverse (20210202220012), we get a palindrome (230232404232032).

The spelling of 210022202012020 in words is "two hundred ten trillion, twenty-two billion, two hundred two million, twelve thousand, twenty".