20602252125 has 384 divisors, whose sum is σ = 49166208000. Its totient is φ = 8458732800.

The previous prime is 20602252117. The next prime is 20602252157. The reversal of 20602252125 is 52125220602.

20602252125 is a `hidden beast` number, since 2 + 0 + 602 + 2 + 52 + 1 + 2 + 5 = 666.

It is not a de Polignac number, because 20602252125 - 2³ = 20602252117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 556817607 + ... + 556817643.

It is an arithmetic number, because the mean of its divisors is an integer number (128037000).

Almost surely, 2^20602252125 is an apocalyptic number.

20602252125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20602252125 is an abundant number, since it is smaller than the sum of its proper divisors (28563955875).

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

20602252125 is an equidigital number, since it uses as much as digits as its factorization.

20602252125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 20602252125 its reverse (52125220602), we get a palindrome (72727472727).

The spelling of 20602252125 in words is "twenty billion, six hundred two million, two hundred fifty-two thousand, one hundred twenty-five".