20148223255 has 8 divisors (see below), whose sum is σ = 24194678400. Its totient is φ = 16107371616.

The previous prime is 20148223253. The next prime is 20148223267. The reversal of 20148223255 is 55232284102.

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 20148223255 - 2¹ = 20148223253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20148223255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20148223253) 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, 1392960 + ... + 1407349.

It is an arithmetic number, because the mean of its divisors is an integer number (3024334800).

Almost surely, 2^20148223255 is an apocalyptic number.

20148223255 is a deficient number, since it is larger than the sum of its proper divisors (4046455145).

20148223255 is a wasteful number, since it uses less digits than its factorization.

20148223255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801753.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 20148223255 in words is "twenty billion, one hundred forty-eight million, two hundred twenty-three thousand, two hundred fifty-five".