206031252215744 has 56 divisors (see below), whose sum is σ = 409261809465600. Its totient is φ = 102910178568960.

The previous prime is 206031252215741. The next prime is 206031252215749. The reversal of 206031252215744 is 447512252130602.

It is a junction number, because it is equal to n+sod(n) for n = 206031252215695 and 206031252215704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206031252215741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200765479 + ... + 1200937049.

It is an arithmetic number, because the mean of its divisors is an integer number (7308246597600).

Almost surely, 2^{206031252215744} is an apocalyptic number.

It is an amenable number.

206031252215744 is a deficient number, since it is larger than the sum of its proper divisors (203230557249856).

206031252215744 is a wasteful number, since it uses less digits than its factorization.

206031252215744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190681 (or 190671 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 206031252215744 in words is "two hundred six trillion, thirty-one billion, two hundred fifty-two million, two hundred fifteen thousand, seven hundred forty-four".