20525021020153 has 8 divisors (see below), whose sum is σ = 22816896816896. Its totient is φ = 18335006370000.

The previous prime is 20525021020057. The next prime is 20525021020181. The reversal of 20525021020153 is 35102012052502.

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 20525021020153 - 2⁹ = 20525021019641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20525021020853) 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, 25465286223 + ... + 25465287028.

It is an arithmetic number, because the mean of its divisors is an integer number (2852112102112).

Almost surely, 2^{20525021020153} is an apocalyptic number.

It is an amenable number.

20525021020153 is a deficient number, since it is larger than the sum of its proper divisors (2291875796743).

20525021020153 is a wasteful number, since it uses less digits than its factorization.

20525021020153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50930573295.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 20525021020153 its reverse (35102012052502), we get a palindrome (55627033072655).

The spelling of 20525021020153 in words is "twenty trillion, five hundred twenty-five billion, twenty-one million, twenty thousand, one hundred fifty-three".