20525055134 has 8 divisors (see below), whose sum is σ = 30792262368. Its totient is φ = 10260967680.

The previous prime is 20525055127. The next prime is 20525055137. The reversal of 20525055134 is 43155052502.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20525055134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20525055137) 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, 763427 + ... + 789854.

It is an arithmetic number, because the mean of its divisors is an integer number (3849032796).

Almost surely, 2^20525055134 is an apocalyptic number.

20525055134 is a deficient number, since it is larger than the sum of its proper divisors (10267207234).

20525055134 is a wasteful number, since it uses less digits than its factorization.

20525055134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559890.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 20525055134 in words is "twenty billion, five hundred twenty-five million, fifty-five thousand, one hundred thirty-four".