206204601144 has 32 divisors (see below), whose sum is σ = 515559438720. Its totient is φ = 68728475616.

The previous prime is 206204601139. The next prime is 206204601149. The reversal of 206204601144 is 441106402602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (206204601139) and next prime (206204601149).

It is a super-2 number, since 2×206204601144² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206204601149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132342 + ... + 655685.

It is an arithmetic number, because the mean of its divisors is an integer number (16111232460).

Almost surely, 2^206204601144 is an apocalyptic number.

206204601144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206204601144 is an abundant number, since it is smaller than the sum of its proper divisors (309354837576).

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

206204601144 is a wasteful number, since it uses less digits than its factorization.

206204601144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798939 (or 798935 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 206204601144 in words is "two hundred six billion, two hundred four million, six hundred one thousand, one hundred forty-four".