211820482 has 8 divisors (see below), whose sum is σ = 321559056. Its totient is φ = 104634132.

The previous prime is 211820431. The next prime is 211820491. The reversal of 211820482 is 284028112.

211820482 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211820482.

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, 637848 + ... + 638179.

It is an arithmetic number, because the mean of its divisors is an integer number (40194882).

Almost surely, 2^211820482 is an apocalyptic number.

211820482 is a deficient number, since it is larger than the sum of its proper divisors (109738574).

211820482 is a wasteful number, since it uses less digits than its factorization.

211820482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276112.

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 211820482 is about 14554.0537995433. The cubic root of 211820482 is about 596.1048435739.

Adding to 211820482 its reverse (284028112), we get a palindrome (495848594).

The spelling of 211820482 in words is "two hundred eleven million, eight hundred twenty thousand, four hundred eighty-two".