67002020 has 24 divisors (see below), whose sum is σ = 141087744. Its totient is φ = 26727776.

The previous prime is 67002011. The next prime is 67002029. The reversal of 67002020 is 2020076.

It is an interprime number because it is at equal distance from previous prime (67002011) and next prime (67002029).

It is a self number, because there is not a number n which added to its sum of digits gives 67002020.

It is not an unprimeable number, because it can be changed into a prime (67002029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287 + ... + 12033.

It is an arithmetic number, because the mean of its divisors is an integer number (5878656).

Almost surely, 2^67002020 is an apocalyptic number.

It is an amenable number.

67002020 is an abundant number, since it is smaller than the sum of its proper divisors (74085724).

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

67002020 is a wasteful number, since it uses less digits than its factorization.

67002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9139 (or 9137 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 67002020 is about 8185.4761620812. The cubic root of 67002020 is about 406.1588917584.

Adding to 67002020 its reverse (2020076), we get a palindrome (69022096).

The spelling of 67002020 in words is "sixty-seven million, two thousand, twenty".