20150344255 has 8 divisors (see below), whose sum is σ = 24960426624. Its totient is φ = 15600266400.

The previous prime is 20150344241. The next prime is 20150344261. The reversal of 20150344255 is 55244305102.

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

It is not a de Polignac number, because 20150344255 - 2⁵ = 20150344223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65000956 + ... + 65001265.

It is an arithmetic number, because the mean of its divisors is an integer number (3120053328).

Almost surely, 2^20150344255 is an apocalyptic number.

20150344255 is a deficient number, since it is larger than the sum of its proper divisors (4810082369).

20150344255 is a wasteful number, since it uses less digits than its factorization.

20150344255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130002257.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 20150344255 its reverse (55244305102), we get a palindrome (75394649357).

The spelling of 20150344255 in words is "twenty billion, one hundred fifty million, three hundred forty-four thousand, two hundred fifty-five".