20522323125 has 30 divisors (see below), whose sum is σ = 37042347342. Its totient is φ = 10945236000.

The previous prime is 20522323103. The next prime is 20522323153. The reversal of 20522323125 is 52132322502.

20522323125 is a `hidden beast` number, since 205 + 223 + 231 + 2 + 5 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 5028795396 + 15493527729 = 70914^2 + 124473^2 .

It is not a de Polignac number, because 20522323125 - 2⁸ = 20522322869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1818582 + ... + 1829831.

Almost surely, 2^20522323125 is an apocalyptic number.

20522323125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20522323125 is a deficient number, since it is larger than the sum of its proper divisors (16520024217).

20522323125 is an equidigital number, since it uses as much as digits as its factorization.

20522323125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648439 (or 3648421 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20522323125 its reverse (52132322502), we get a palindrome (72654645627).

The spelling of 20522323125 in words is "twenty billion, five hundred twenty-two million, three hundred twenty-three thousand, one hundred twenty-five".