20106446525 has 24 divisors (see below), whose sum is σ = 27378717888. Its totient is φ = 14526000000.

The previous prime is 20106446509. The next prime is 20106446537. The reversal of 20106446525 is 52564460102.

It is not a de Polignac number, because 20106446525 - 2⁴ = 20106446509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200576 + ... + 283625.

It is an arithmetic number, because the mean of its divisors is an integer number (1140779912).

Almost surely, 2^20106446525 is an apocalyptic number.

20106446525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20106446525 is a deficient number, since it is larger than the sum of its proper divisors (7272271363).

20106446525 is a wasteful number, since it uses less digits than its factorization.

20106446525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484373 (or 484368 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20106446525 in words is "twenty billion, one hundred six million, four hundred forty-six thousand, five hundred twenty-five".