247020 has 48 divisors (see below), whose sum is σ = 725760. Its totient is φ = 62656.

The previous prime is 247007. The next prime is 247031. The reversal of 247020 is 20742.

It is a super-2 number, since 2×247020² = 122037760800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a cake number, because a cake can be divided into 247020 parts by 114 planar cuts.

It is a congruent number.

It is an unprimeable number.

247020 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2²⁴⁷⁰²⁰ is an apocalyptic number.

247020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362880).

247020 is an abundant number, since it is smaller than the sum of its proper divisors (478740).

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

247020 is a wasteful number, since it uses less digits than its factorization.

247020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 212 counting only the distinct ones).

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

The square root of 247020 is about 497.0110662752. The cubic root of 247020 is about 62.7447469981.

Adding to 247020 its reverse (20742), we get a palindrome (267762).

The spelling of 247020 in words is "two hundred forty-seven thousand, twenty", and thus it is an iban number.