206633126140 has 48 divisors (see below), whose sum is σ = 495958680000. Its totient is φ = 70840046592.

The previous prime is 206633126131. The next prime is 206633126143. The reversal of 206633126140 is 41621336602.

It is a junction number, because it is equal to n+sod(n) for n = 206633126096 and 206633126105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206633126143) 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 15 ways as a sum of consecutive naturals, for example, 1971786 + ... + 2073934.

It is an arithmetic number, because the mean of its divisors is an integer number (10332472500).

Almost surely, 2^206633126140 is an apocalyptic number.

206633126140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206633126140 is an abundant number, since it is smaller than the sum of its proper divisors (289325553860).

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

206633126140 is a wasteful number, since it uses less digits than its factorization.

206633126140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116614 (or 116612 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 206633126140 in words is "two hundred six billion, six hundred thirty-three million, one hundred twenty-six thousand, one hundred forty".