20143168925 has 12 divisors (see below), whose sum is σ = 27248214336. Its totient is φ = 14649577200.

The previous prime is 20143168909. The next prime is 20143168951. The reversal of 20143168925 is 52986134102.

It is not a de Polignac number, because 20143168925 - 2⁴ = 20143168909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36623669 + ... + 36624218.

It is an arithmetic number, because the mean of its divisors is an integer number (2270684528).

Almost surely, 2^20143168925 is an apocalyptic number.

20143168925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20143168925 is a deficient number, since it is larger than the sum of its proper divisors (7105045411).

20143168925 is a wasteful number, since it uses less digits than its factorization.

20143168925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73247908 (or 73247903 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 20143168925 in words is "twenty billion, one hundred forty-three million, one hundred sixty-eight thousand, nine hundred twenty-five".