214402520 has 32 divisors (see below), whose sum is σ = 482915520. Its totient is φ = 85670400.

The previous prime is 214402499. The next prime is 214402523. The reversal of 214402520 is 25204412.

It is a happy number.

214402520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 214402492 and 214402501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214402523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45809 + ... + 50271.

It is an arithmetic number, because the mean of its divisors is an integer number (15091110).

Almost surely, 2^214402520 is an apocalyptic number.

214402520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214402520 is an abundant number, since it is smaller than the sum of its proper divisors (268513000).

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

214402520 is a wasteful number, since it uses less digits than its factorization.

214402520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 214402520 is about 14642.4902253681. The cubic root of 214402520 is about 598.5171903298.

Adding to 214402520 its reverse (25204412), we get a palindrome (239606932).

The spelling of 214402520 in words is "two hundred fourteen million, four hundred two thousand, five hundred twenty".