210020220220 has 24 divisors (see below), whose sum is σ = 441081686304. Its totient is φ = 84000616896.

The previous prime is 210020220133. The next prime is 210020220227. The reversal of 210020220220 is 22022020012.

It is a self number, because there is not a number n which added to its sum of digits gives 210020220220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210020220227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233599 + ... + 688918.

It is an arithmetic number, because the mean of its divisors is an integer number (18378403596).

Almost surely, 2^210020220220 is an apocalyptic number.

210020220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020220220 is an abundant number, since it is smaller than the sum of its proper divisors (231061466084).

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

210020220220 is a wasteful number, since it uses less digits than its factorization.

210020220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933909 (or 933907 counting only the distinct ones).

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

Adding to 210020220220 its reverse (22022020012), we get a palindrome (232042240232).

The spelling of 210020220220 in words is "two hundred ten billion, twenty million, two hundred twenty thousand, two hundred twenty".