211020200010 has 24 divisors (see below), whose sum is σ = 548652520260. Its totient is φ = 56272053312.

The previous prime is 211020199961. The next prime is 211020200029. The reversal of 211020200010 is 10002020112.

It can be written as a sum of positive squares in 2 ways, for example, as 203075508321 + 7944691689 = 450639^2 + 89133^2 .

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 = 211020199965 and 211020200001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1172334355 + ... + 1172334534.

Almost surely, 2^211020200010 is an apocalyptic number.

211020200010 is an abundant number, since it is smaller than the sum of its proper divisors (337632320250).

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

211020200010 is a wasteful number, since it uses less digits than its factorization.

211020200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344668902 (or 2344668899 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 211020200010 its reverse (10002020112), we get a palindrome (221022220122).

The spelling of 211020200010 in words is "two hundred eleven billion, twenty million, two hundred thousand, ten".