20125527143553 has 24 divisors (see below), whose sum is σ = 31310120517312. Its totient is φ = 12383458257888.

The previous prime is 20125527143531. The next prime is 20125527143567. The reversal of 20125527143553 is 35534172552102.

20125527143553 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 5 + 52 + 7 + 1 + 43 + 553 = 666.

It is not a de Polignac number, because 20125527143553 - 2¹² = 20125527139457 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20125527143499 and 20125527143508.

It is not an unprimeable number, because it can be changed into a prime (20125527143153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9305701 + ... + 11262642.

It is an arithmetic number, because the mean of its divisors is an integer number (1304588354888).

Almost surely, 2^{20125527143553} is an apocalyptic number.

It is an amenable number.

20125527143553 is a deficient number, since it is larger than the sum of its proper divisors (11184593373759).

20125527143553 is a wasteful number, since it uses less digits than its factorization.

20125527143553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20576725 (or 20576722 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

Adding to 20125527143553 its reverse (35534172552102), we get a palindrome (55659699695655).

The spelling of 20125527143553 in words is "twenty trillion, one hundred twenty-five billion, five hundred twenty-seven million, one hundred forty-three thousand, five hundred fifty-three".