210233032220 has 24 divisors (see below), whose sum is σ = 441640840704. Its totient is φ = 84064360896.

The previous prime is 210233032213. The next prime is 210233032231. The reversal of 210233032220 is 22230332012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210233032192 and 210233032201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743452 + ... + 1860131.

It is an arithmetic number, because the mean of its divisors is an integer number (18401701696).

Almost surely, 2^210233032220 is an apocalyptic number.

210233032220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210233032220 is an abundant number, since it is smaller than the sum of its proper divisors (231407808484).

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

210233032220 is a wasteful number, since it uses less digits than its factorization.

210233032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606509 (or 3606507 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 210233032220 its reverse (22230332012), we get a palindrome (232463364232).

The spelling of 210233032220 in words is "two hundred ten billion, two hundred thirty-three million, thirty-two thousand, two hundred twenty".