210120020022 has 64 divisors (see below), whose sum is σ = 474142906368. Its totient is φ = 61500192000.

The previous prime is 210120020003. The next prime is 210120020041. The reversal of 210120020022 is 220020021012.

It is an interprime number because it is at equal distance from previous prime (210120020003) and next prime (210120020041).

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, 967408 + ... + 1164524.

It is an arithmetic number, because the mean of its divisors is an integer number (7408482912).

Almost surely, 2^210120020022 is an apocalyptic number.

210120020022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 210120020022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237071453184).

210120020022 is an abundant number, since it is smaller than the sum of its proper divisors (264022886346).

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

210120020022 is a wasteful number, since it uses less digits than its factorization.

210120020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197685.

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

Adding to 210120020022 its reverse (220020021012), we get a palindrome (430140041034).

The spelling of 210120020022 in words is "two hundred ten billion, one hundred twenty million, twenty thousand, twenty-two".