20348750725 has 24 divisors (see below), whose sum is σ = 25456495680. Its totient is φ = 16134768000.

The previous prime is 20348750687. The next prime is 20348750731. The reversal of 20348750725 is 52705784302.

It is not a de Polignac number, because 20348750725 - 2²¹ = 20346653573 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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3006345 + ... + 3013105.

It is an arithmetic number, because the mean of its divisors is an integer number (1060687320).

Almost surely, 2^20348750725 is an apocalyptic number.

20348750725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20348750725 is a deficient number, since it is larger than the sum of its proper divisors (5107744955).

20348750725 is a wasteful number, since it uses less digits than its factorization.

20348750725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821 (or 7816 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 20348750725 in words is "twenty billion, three hundred forty-eight million, seven hundred fifty thousand, seven hundred twenty-five".