210011020220 has 12 divisors (see below), whose sum is σ = 441023142504. Its totient is φ = 84004408080.

The previous prime is 210011020207. The next prime is 210011020253. The reversal of 210011020220 is 22020110012.

It is a happy number.

It is a super-2 number, since 2×210011020220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5250275486 + ... + 5250275525.

It is an arithmetic number, because the mean of its divisors is an integer number (36751928542).

Almost surely, 2^210011020220 is an apocalyptic number.

210011020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210011020220 is an abundant number, since it is smaller than the sum of its proper divisors (231012122284).

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

210011020220 is a wasteful number, since it uses less digits than its factorization.

210011020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10500551020 (or 10500551018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210011020220 its reverse (22020110012), we get a palindrome (232031130232).

The spelling of 210011020220 in words is "two hundred ten billion, eleven million, twenty thousand, two hundred twenty".