210011010220 has 24 divisors (see below), whose sum is σ = 481116133008. Its totient is φ = 76367640000.

The previous prime is 210011010191. The next prime is 210011010239. The reversal of 210011010220 is 22010110012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210011010197 and 210011010206.

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, 477297531 + ... + 477297970.

It is an arithmetic number, because the mean of its divisors is an integer number (20046505542).

Almost surely, 2^210011010220 is an apocalyptic number.

210011010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210011010220 is an abundant number, since it is smaller than the sum of its proper divisors (271105122788).

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

210011010220 is a wasteful number, since it uses less digits than its factorization.

210011010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954595521 (or 954595519 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210011010220 its reverse (22010110012), we get a palindrome (232021120232).

The spelling of 210011010220 in words is "two hundred ten billion, eleven million, ten thousand, two hundred twenty".