20244535134 has 8 divisors (see below), whose sum is σ = 40489070280. Its totient is φ = 6748178376.

The previous prime is 20244535099. The next prime is 20244535139. The reversal of 20244535134 is 43153544202.

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

20244535134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20244535095 and 20244535104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244535139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687044589 + ... + 1687044600.

It is an arithmetic number, because the mean of its divisors is an integer number (5061133785).

Almost surely, 2^20244535134 is an apocalyptic number.

20244535134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20244535134 is a wasteful number, since it uses less digits than its factorization.

20244535134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374089194.

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 20244535134 in words is "twenty billion, two hundred forty-four million, five hundred thirty-five thousand, one hundred thirty-four".