20450114134556 has 18 divisors (see below), whose sum is σ = 38016691416648. Its totient is φ = 9623583121600.

The previous prime is 20450114134433. The next prime is 20450114134559. The reversal of 20450114134556 is 65543141105402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450114134559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8845203920 + ... + 8845206231.

It is an arithmetic number, because the mean of its divisors is an integer number (2112038412036).

Almost surely, 2^{20450114134556} is an apocalyptic number.

It is an amenable number.

20450114134556 is a deficient number, since it is larger than the sum of its proper divisors (17566577282092).

20450114134556 is a wasteful number, since it uses less digits than its factorization.

20450114134556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17690410189 (or 17690410170 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 20450114134556 its reverse (65543141105402), we get a palindrome (85993255239958).

The spelling of 20450114134556 in words is "twenty trillion, four hundred fifty billion, one hundred fourteen million, one hundred thirty-four thousand, five hundred fifty-six".