6694020 has 36 divisors (see below), whose sum is σ = 20305740. Its totient is φ = 1785024.

The previous prime is 6694019. The next prime is 6694021. The reversal of 6694020 is 204966.

It is an interprime number because it is at equal distance from previous prime (6694019) and next prime (6694021).

It can be written as a sum of positive squares in 2 ways, for example, as 4334724 + 2359296 = 2082^2 + 1536^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (6694021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18415 + ... + 18774.

Almost surely, 2^6694020 is an apocalyptic number.

6694020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6694020 is an abundant number, since it is smaller than the sum of its proper divisors (13611720).

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

6694020 is a wasteful number, since it uses less digits than its factorization.

6694020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37204 (or 37199 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6694020 is about 2587.2804254661. The cubic root of 6694020 is about 188.4642592544.

Adding to 6694020 its reverse (204966), we get a palindrome (6898986).

The spelling of 6694020 in words is "six million, six hundred ninety-four thousand, twenty".