20145441411 has 48 divisors (see below), whose sum is σ = 31331349504. Its totient is φ = 12442839552.

The previous prime is 20145441409. The next prime is 20145441451. The reversal of 20145441411 is 11414454102.

It is a happy number.

20145441411 is a `hidden beast` number, since 201 + 4 + 5 + 4 + 41 + 411 = 666.

It is not a de Polignac number, because 20145441411 - 2¹ = 20145441409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20145441451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 933040 + ... + 954386.

It is an arithmetic number, because the mean of its divisors is an integer number (652736448).

Almost surely, 2^20145441411 is an apocalyptic number.

20145441411 is a deficient number, since it is larger than the sum of its proper divisors (11185908093).

20145441411 is a wasteful number, since it uses less digits than its factorization.

20145441411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21520 (or 21517 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 20145441411 its reverse (11414454102), we get a palindrome (31559895513).

The spelling of 20145441411 in words is "twenty billion, one hundred forty-five million, four hundred forty-one thousand, four hundred eleven".