214431320 has 16 divisors (see below), whose sum is σ = 482470560. Its totient is φ = 85772512.

The previous prime is 214431313. The next prime is 214431331. The reversal of 214431320 is 23134412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 214431292 and 214431301.

It is a congruent number.

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, 2680352 + ... + 2680431.

It is an arithmetic number, because the mean of its divisors is an integer number (30154410).

Almost surely, 2^214431320 is an apocalyptic number.

214431320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214431320 is an abundant number, since it is smaller than the sum of its proper divisors (268039240).

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

214431320 is a wasteful number, since it uses less digits than its factorization.

214431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360794 (or 5360790 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 214431320 is about 14643.4736316217. The cubic root of 214431320 is about 598.5439880921.

Adding to 214431320 its reverse (23134412), we get a palindrome (237565732).

The spelling of 214431320 in words is "two hundred fourteen million, four hundred thirty-one thousand, three hundred twenty".