20114544163145 has 32 divisors (see below), whose sum is σ = 25923477740832. Its totient is φ = 14928333668352.

The previous prime is 20114544163117. The next prime is 20114544163159. The reversal of 20114544163145 is 54136144541102.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 913224874384 + 19201319288761 = 955628^2 + 4381931^2 .

It is a cyclic number.

It is not a de Polignac number, because 20114544163145 - 2¹² = 20114544159049 is a prime.

It is a super-2 number, since 2×20114544163145² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9003809 + ... + 11013521.

It is an arithmetic number, because the mean of its divisors is an integer number (810108679401).

Almost surely, 2^{20114544163145} is an apocalyptic number.

It is an amenable number.

20114544163145 is a deficient number, since it is larger than the sum of its proper divisors (5808933577687).

20114544163145 is a wasteful number, since it uses less digits than its factorization.

20114544163145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011421.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 20114544163145 in words is "twenty trillion, one hundred fourteen billion, five hundred forty-four million, one hundred sixty-three thousand, one hundred forty-five".