20048146025 has 6 divisors (see below), whose sum is σ = 24859701102. Its totient is φ = 16038516800.

The previous prime is 20048146007. The next prime is 20048146051. The reversal of 20048146025 is 52064184002.

It can be written as a sum of positive squares in 3 ways, for example, as 428821264 + 19619324761 = 20708^2 + 140069^2 .

It is not a de Polignac number, because 20048146025 - 2¹² = 20048141929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20048145982 and 20048146000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400962896 + ... + 400962945.

It is an arithmetic number, because the mean of its divisors is an integer number (4143283517).

Almost surely, 2^20048146025 is an apocalyptic number.

20048146025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20048146025 is a deficient number, since it is larger than the sum of its proper divisors (4811555077).

20048146025 is an equidigital number, since it uses as much as digits as its factorization.

20048146025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801925851 (or 801925846 counting only the distinct ones).

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

The spelling of 20048146025 in words is "twenty billion, forty-eight million, one hundred forty-six thousand, twenty-five".