20168224025 has 48 divisors (see below), whose sum is σ = 26912563200. Its totient is φ = 14947882560.

The previous prime is 20168224019. The next prime is 20168224031. The reversal of 20168224025 is 52042286102.

It is an interprime number because it is at equal distance from previous prime (20168224019) and next prime (20168224031).

It is not a de Polignac number, because 20168224025 - 2⁴ = 20168224009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20168223982 and 20168224000.

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 47 ways as a sum of consecutive naturals, for example, 4012664 + ... + 4017686.

It is an arithmetic number, because the mean of its divisors is an integer number (560678400).

Almost surely, 2^20168224025 is an apocalyptic number.

20168224025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20168224025 is a deficient number, since it is larger than the sum of its proper divisors (6744339175).

20168224025 is a wasteful number, since it uses less digits than its factorization.

20168224025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238 (or 5233 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 20168224025 in words is "twenty billion, one hundred sixty-eight million, two hundred twenty-four thousand, twenty-five".