20148424308 has 36 divisors (see below), whose sum is σ = 52686974340. Its totient is φ = 6484550016.

The previous prime is 20148424291. The next prime is 20148424321. The reversal of 20148424308 is 80342484102.

It can be written as a sum of positive squares in 2 ways, for example, as 14664725604 + 5483698704 = 121098^2 + 74052^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9648585 + ... + 9650672.

It is an arithmetic number, because the mean of its divisors is an integer number (1463527065).

Almost surely, 2^20148424308 is an apocalyptic number.

It is an amenable number.

20148424308 is an abundant number, since it is smaller than the sum of its proper divisors (32538550032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20148424308 is a wasteful number, since it uses less digits than its factorization.

20148424308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19299296 (or 19299291 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The spelling of 20148424308 in words is "twenty billion, one hundred forty-eight million, four hundred twenty-four thousand, three hundred eight".