20154256041 has 8 divisors (see below), whose sum is σ = 28453067424. Its totient is φ = 12645807680.

The previous prime is 20154256033. The next prime is 20154256079. The reversal of 20154256041 is 14065245102.

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

It is not a de Polignac number, because 20154256041 - 2³ = 20154256033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20154256141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197590695 + ... + 197590796.

It is an arithmetic number, because the mean of its divisors is an integer number (3556633428).

Almost surely, 2^20154256041 is an apocalyptic number.

It is an amenable number.

20154256041 is a deficient number, since it is larger than the sum of its proper divisors (8298811383).

20154256041 is a wasteful number, since it uses less digits than its factorization.

20154256041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395181511.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 20154256041 in words is "twenty billion, one hundred fifty-four million, two hundred fifty-six thousand, forty-one".