20134042552 has 32 divisors (see below), whose sum is σ = 40865968080. Its totient is φ = 9244477440.

The previous prime is 20134042547. The next prime is 20134042561. The reversal of 20134042552 is 25524043102.

It is a self number, because there is not a number n which added to its sum of digits gives 20134042552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481474 + ... + 521617.

Almost surely, 2^20134042552 is an apocalyptic number.

It is an amenable number.

20134042552 is an abundant number, since it is smaller than the sum of its proper divisors (20731925528).

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

20134042552 is a wasteful number, since it uses less digits than its factorization.

20134042552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003303 (or 1003299 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 20134042552 its reverse (25524043102), we get a palindrome (45658085654).

The spelling of 20134042552 in words is "twenty billion, one hundred thirty-four million, forty-two thousand, five hundred fifty-two".