20363250725 has 12 divisors (see below), whose sum is σ = 25255558020. Its totient is φ = 16287292800.

The previous prime is 20363250673. The next prime is 20363250781. The reversal of 20363250725 is 52705236302.

It can be written as a sum of positive squares in 6 ways, for example, as 2321119684 + 18042131041 = 48178^2 + 134321^2 .

It is not a de Polignac number, because 20363250725 - 2²⁶ = 20296141861 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46871 + ... + 207179.

It is an arithmetic number, because the mean of its divisors is an integer number (2104629835).

Almost surely, 2^20363250725 is an apocalyptic number.

20363250725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20363250725 is a deficient number, since it is larger than the sum of its proper divisors (4892307295).

20363250725 is a wasteful number, since it uses less digits than its factorization.

20363250725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165400 (or 165395 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 20363250725 in words is "twenty billion, three hundred sixty-three million, two hundred fifty thousand, seven hundred twenty-five".