20755345665310 has 16 divisors (see below), whose sum is σ = 37359749732256. Its totient is φ = 8302109925088.

The previous prime is 20755345665289. The next prime is 20755345665317. The reversal of 20755345665310 is 1356654355702.

It is a super-2 number, since 2×20755345665310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20755345665317) 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, 327877 + ... + 6451216.

It is an arithmetic number, because the mean of its divisors is an integer number (2334984358266).

Almost surely, 2^{20755345665310} is an apocalyptic number.

20755345665310 is a deficient number, since it is larger than the sum of its proper divisors (16604404066946).

20755345665310 is a wasteful number, since it uses less digits than its factorization.

20755345665310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085267.

The product of its (nonzero) digits is 11340000, while the sum is 52.

The spelling of 20755345665310 in words is "twenty trillion, seven hundred fifty-five billion, three hundred forty-five million, six hundred sixty-five thousand, three hundred ten".