211420364 has 24 divisors (see below), whose sum is σ = 398396880. Its totient is φ = 97803776.

The previous prime is 211420351. The next prime is 211420367. The reversal of 211420364 is 463024112.

It is not an unprimeable number, because it can be changed into a prime (211420367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22337 + ... + 30360.

It is an arithmetic number, because the mean of its divisors is an integer number (16599870).

Almost surely, 2^211420364 is an apocalyptic number.

It is an amenable number.

211420364 is a deficient number, since it is larger than the sum of its proper divisors (186976516).

211420364 is a wasteful number, since it uses less digits than its factorization.

211420364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52777 (or 52775 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 211420364 is about 14540.3013723925. The cubic root of 211420364 is about 595.7292698609.

Adding to 211420364 its reverse (463024112), we get a palindrome (674444476).

The spelling of 211420364 in words is "two hundred eleven million, four hundred twenty thousand, three hundred sixty-four".