210000020022 has 48 divisors (see below), whose sum is σ = 490182140448. Its totient is φ = 64591378560.

The previous prime is 210000020017. The next prime is 210000020047. The reversal of 210000020022 is 220020000012.

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 = 210000019986 and 210000020013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469447 + ... + 800237.

It is an arithmetic number, because the mean of its divisors is an integer number (10212127926).

Almost surely, 2^210000020022 is an apocalyptic number.

210000020022 is an abundant number, since it is smaller than the sum of its proper divisors (280182120426).

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

210000020022 is a wasteful number, since it uses less digits than its factorization.

210000020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333525 (or 333522 counting only the distinct ones).

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

Adding to 210000020022 its reverse (220020000012), we get a palindrome (430020020034).

The spelling of 210000020022 in words is "two hundred ten billion, twenty thousand, twenty-two".