207420 has 24 divisors (see below), whose sum is σ = 580944. Its totient is φ = 55296.

The previous prime is 207409. The next prime is 207433. The reversal of 207420 is 24702.

207420 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 207420.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 207420.

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, 1669 + ... + 1788.

It is an arithmetic number, because the mean of its divisors is an integer number (24206).

2²⁰⁷⁴²⁰ is an apocalyptic number.

207420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207420 is an abundant number, since it is smaller than the sum of its proper divisors (373524).

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

207420 is a wasteful number, since it uses less digits than its factorization.

207420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469 (or 3467 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 207420 is about 455.4338590838. The cubic root of 207420 is about 59.1947980576.

The spelling of 207420 in words is "two hundred seven thousand, four hundred twenty", and thus it is an iban number.