20140806929153 has 8 divisors (see below), whose sum is σ = 20488738703016. Its totient is φ = 19793447884800.

The previous prime is 20140806929143. The next prime is 20140806929167. The reversal of 20140806929153 is 35192960804102.

It can be written as a sum of positive squares in 4 ways, for example, as 8203287184 + 20132603641969 = 90572^2 + 4486937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20140806929153 - 2⁸ = 20140806928897 is a prime.

It is a super-2 number, since 2×20140806929153² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20140806929143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143111438 + ... + 143252103.

It is an arithmetic number, because the mean of its divisors is an integer number (2561092337877).

Almost surely, 2^{20140806929153} is an apocalyptic number.

It is an amenable number.

20140806929153 is a deficient number, since it is larger than the sum of its proper divisors (347931773863).

20140806929153 is a wasteful number, since it uses less digits than its factorization.

20140806929153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286364755.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 20140806929153 in words is "twenty trillion, one hundred forty billion, eight hundred six million, nine hundred twenty-nine thousand, one hundred fifty-three".