210020022 has 24 divisors (see below), whose sum is σ = 457039440. Its totient is φ = 69699600.

The previous prime is 210020003. The next prime is 210020039. The reversal of 210020022 is 220020012.

210020022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 210019986 and 210020013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21354 + ... + 29597.

It is an arithmetic number, because the mean of its divisors is an integer number (19043310).

Almost surely, 2^210020022 is an apocalyptic number.

210020022 is an abundant number, since it is smaller than the sum of its proper divisors (247019418).

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

210020022 is a wasteful number, since it uses less digits than its factorization.

210020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51188 (or 51185 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 210020022 is about 14492.0675543554. The cubic root of 210020022 is about 594.4110850260.

Adding to 210020022 its reverse (220020012), we get a palindrome (430040034).

It can be divided in two parts, 2100 and 20022, that added together give a palindrome (22122).

The spelling of 210020022 in words is "two hundred ten million, twenty thousand, twenty-two".