20150134401 has 8 divisors (see below), whose sum is σ = 27062954784. Its totient is φ = 13335368480.

The previous prime is 20150134393. The next prime is 20150134427. The reversal of 20150134401 is 10443105102.

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

It is a cyclic number.

It is not a de Polignac number, because 20150134401 - 2³ = 20150134393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20150134451) 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 7 ways as a sum of consecutive naturals, for example, 24513135 + ... + 24513956.

It is an arithmetic number, because the mean of its divisors is an integer number (3382869348).

Almost surely, 2^20150134401 is an apocalyptic number.

It is an amenable number.

20150134401 is a deficient number, since it is larger than the sum of its proper divisors (6912820383).

20150134401 is a wasteful number, since it uses less digits than its factorization.

20150134401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49027231.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 20150134401 its reverse (10443105102), we get a palindrome (30593239503).

The spelling of 20150134401 in words is "twenty billion, one hundred fifty million, one hundred thirty-four thousand, four hundred one".