214231420 has 24 divisors (see below), whose sum is σ = 484493184. Its totient is φ = 79100736.

The previous prime is 214231397. The next prime is 214231447. The reversal of 214231420 is 24132412.

It is a congruent number.

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, 411724 + ... + 412243.

It is an arithmetic number, because the mean of its divisors is an integer number (20187216).

Almost surely, 2^214231420 is an apocalyptic number.

214231420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214231420 is an abundant number, since it is smaller than the sum of its proper divisors (270261764).

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

214231420 is a wasteful number, since it uses less digits than its factorization.

214231420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823989 (or 823987 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 214231420 is about 14636.6464738341. The cubic root of 214231420 is about 598.3579360690.

Adding to 214231420 its reverse (24132412), we get a palindrome (238363832).

The spelling of 214231420 in words is "two hundred fourteen million, two hundred thirty-one thousand, four hundred twenty".