20154134455401 has 8 divisors (see below), whose sum is σ = 26872655307264. Its totient is φ = 13435851620240.

The previous prime is 20154134455381. The next prime is 20154134455439. The reversal of 20154134455401 is 10455443145102.

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 20154134455401 - 2⁹ = 20154134454889 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20154134455401.

It is not an unprimeable number, because it can be changed into a prime (20154134455601) 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, 59306505 + ... + 59645366.

It is an arithmetic number, because the mean of its divisors is an integer number (3359081913408).

Almost surely, 2^{20154134455401} is an apocalyptic number.

It is an amenable number.

20154134455401 is a deficient number, since it is larger than the sum of its proper divisors (6718520851863).

20154134455401 is a wasteful number, since it uses less digits than its factorization.

20154134455401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119008351.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 20154134455401 in words is "twenty trillion, one hundred fifty-four billion, one hundred thirty-four million, four hundred fifty-five thousand, four hundred one".