20504253671234 has 8 divisors (see below), whose sum is σ = 31336689573180. Its totient is φ = 10058690480176.

The previous prime is 20504253671233. The next prime is 20504253671257. The reversal of 20504253671234 is 43217635240502.

It can be written as a sum of positive squares in 2 ways, for example, as 20249577002209 + 254676669025 = 4499953^2 + 504655^2 .

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

It is a super-2 number, since 2×20504253671234² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20504253671233) 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 3 ways as a sum of consecutive naturals, for example, 96718177589 + ... + 96718177800.

Almost surely, 2^{20504253671234} is an apocalyptic number.

20504253671234 is a deficient number, since it is larger than the sum of its proper divisors (10832435901946).

20504253671234 is a wasteful number, since it uses less digits than its factorization.

20504253671234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193436355444.

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 20504253671234 in words is "twenty trillion, five hundred four billion, two hundred fifty-three million, six hundred seventy-one thousand, two hundred thirty-four".