20325377025 has 36 divisors (see below), whose sum is σ = 36469219020. Its totient is φ = 10821081600.

The previous prime is 20325377003. The next prime is 20325377071. The reversal of 20325377025 is 52077352302.

20325377025 is a `hidden beast` number, since 2 + 0 + 32 + 537 + 70 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 6327884304 + 13997492721 = 79548^2 + 118311^2 .

It is not a de Polignac number, because 20325377025 - 2¹⁴ = 20325360641 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48645 + ... + 207405.

Almost surely, 2^20325377025 is an apocalyptic number.

20325377025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20325377025 is a deficient number, since it is larger than the sum of its proper divisors (16143841995).

20325377025 is a wasteful number, since it uses less digits than its factorization.

20325377025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159346 (or 159338 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The spelling of 20325377025 in words is "twenty billion, three hundred twenty-five million, three hundred seventy-seven thousand, twenty-five".