20154023255 has 8 divisors (see below), whose sum is σ = 24186073392. Its totient is φ = 16122388288.

The previous prime is 20154023237. The next prime is 20154023257. The reversal of 20154023255 is 55232045102.

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 20154023255 - 2¹⁴ = 20154006871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20154023257) 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, 15467 + ... + 201363.

It is an arithmetic number, because the mean of its divisors is an integer number (3023259174).

Almost surely, 2^20154023255 is an apocalyptic number.

20154023255 is a deficient number, since it is larger than the sum of its proper divisors (4032050137).

20154023255 is a wasteful number, since it uses less digits than its factorization.

20154023255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207585.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 20154023255 its reverse (55232045102), we get a palindrome (75386068357).

The spelling of 20154023255 in words is "twenty billion, one hundred fifty-four million, twenty-three thousand, two hundred fifty-five".