211420232 has 32 divisors (see below), whose sum is σ = 415082880. Its totient is φ = 100763520.

The previous prime is 211420229. The next prime is 211420247. The reversal of 211420232 is 232024112.

It is a self number, because there is not a number n which added to its sum of digits gives 211420232.

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, 55757 + ... + 59427.

It is an arithmetic number, because the mean of its divisors is an integer number (12971340).

Almost surely, 2^211420232 is an apocalyptic number.

It is an amenable number.

211420232 is a deficient number, since it is larger than the sum of its proper divisors (203662648).

211420232 is a wasteful number, since it uses less digits than its factorization.

211420232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 211420232 is about 14540.2968332837. The cubic root of 211420232 is about 595.7291458800.

Adding to 211420232 its reverse (232024112), we get a palindrome (443444344).

The spelling of 211420232 in words is "two hundred eleven million, four hundred twenty thousand, two hundred thirty-two".