21314120 has 16 divisors (see below), whose sum is σ = 47956860. Its totient is φ = 8525632.

The previous prime is 21314087. The next prime is 21314149. The reversal of 21314120 is 2141312.

It can be written as a sum of positive squares in 2 ways, for example, as 20775364 + 538756 = 4558^2 + 734^2 .

It is a super-2 number, since 2×21314120² = 908583422748800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21314095 and 21314104.

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, 266387 + ... + 266466.

Almost surely, 2^21314120 is an apocalyptic number.

21314120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21314120 is an abundant number, since it is smaller than the sum of its proper divisors (26642740).

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

21314120 is a wasteful number, since it uses less digits than its factorization.

21314120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532864 (or 532860 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 21314120 is about 4616.7217806578. The cubic root of 21314120 is about 277.2612235990.

Adding to 21314120 its reverse (2141312), we get a palindrome (23455432).

The spelling of 21314120 in words is "twenty-one million, three hundred fourteen thousand, one hundred twenty".