7018020 has 72 divisors (see below), whose sum is σ = 21525504. Its totient is φ = 1850688.

The previous prime is 7018019. The next prime is 7018021. The reversal of 7018020 is 208107.

It is an interprime number because it is at equal distance from previous prime (7018019) and next prime (7018021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 7017984 and 7018002.

It is not an unprimeable number, because it can be changed into a prime (7018021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22707 + ... + 23013.

Almost surely, 2^7018020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7018020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10762752).

7018020 is an abundant number, since it is smaller than the sum of its proper divisors (14507484).

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

7018020 is a wasteful number, since it uses less digits than its factorization.

7018020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 7018020 is about 2649.1545821262. The cubic root of 7018020 is about 191.4571253378.

The spelling of 7018020 in words is "seven million, eighteen thousand, twenty".