1814020214 has 4 divisors (see below), whose sum is σ = 2721030324. Its totient is φ = 907010106.

The previous prime is 1814020213. The next prime is 1814020217. The reversal of 1814020214 is 4120204181.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1814020214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814020213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453505052 + ... + 453505055.

It is an arithmetic number, because the mean of its divisors is an integer number (680257581).

Almost surely, 2^1814020214 is an apocalyptic number.

1814020214 is a deficient number, since it is larger than the sum of its proper divisors (907010110).

1814020214 is an equidigital number, since it uses as much as digits as its factorization.

1814020214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907010109.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 1814020214 is about 42591.3161806488. The cubic root of 1814020214 is about 1219.5905223482.

Adding to 1814020214 its reverse (4120204181), we get a palindrome (5934224395).

The spelling of 1814020214 in words is "one billion, eight hundred fourteen million, twenty thousand, two hundred fourteen".