20850502308670 has 32 divisors (see below), whose sum is σ = 38825379328320. Its totient is φ = 8052544308480.

The previous prime is 20850502308653. The next prime is 20850502308679. The reversal of 20850502308670 is 7680320505802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20850502308670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20850502308679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55397034 + ... + 55772146.

It is an arithmetic number, because the mean of its divisors is an integer number (1213293104010).

Almost surely, 2^{20850502308670} is an apocalyptic number.

20850502308670 is a deficient number, since it is larger than the sum of its proper divisors (17974877019650).

20850502308670 is a wasteful number, since it uses less digits than its factorization.

20850502308670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566820.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 20850502308670 in words is "twenty trillion, eight hundred fifty billion, five hundred two million, three hundred eight thousand, six hundred seventy".