612036020 has 12 divisors (see below), whose sum is σ = 1285275684. Its totient is φ = 244814400.

The previous prime is 612035993. The next prime is 612036059. The reversal of 612036020 is 20630216.

It can be written as a sum of positive squares in 2 ways, for example, as 464316304 + 147719716 = 21548^2 + 12154^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 30601801 = 612036020 / (6 + 1 + 2 + 0 + 3 + 6 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 612035983 and 612036001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15300881 + ... + 15300920.

It is an arithmetic number, because the mean of its divisors is an integer number (107106307).

Almost surely, 2^612036020 is an apocalyptic number.

It is an amenable number.

612036020 is an abundant number, since it is smaller than the sum of its proper divisors (673239664).

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

612036020 is a wasteful number, since it uses less digits than its factorization.

612036020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30601810 (or 30601808 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 612036020 is about 24739.3617540954. The cubic root of 612036020 is about 849.0351312204.

Adding to 612036020 its reverse (20630216), we get a palindrome (632666236).

The spelling of 612036020 in words is "six hundred twelve million, thirty-six thousand, twenty".