20425205355325 has 24 divisors (see below), whose sum is σ = 26706958884320. Its totient is φ = 15453044827200.

The previous prime is 20425205355311. The next prime is 20425205355341. The reversal of 20425205355325 is 52355350252402.

It is not a de Polignac number, because 20425205355325 - 2²⁹ = 20424668484413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37382394 + ... + 37924843.

Almost surely, 2^{20425205355325} is an apocalyptic number.

20425205355325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20425205355325 is a deficient number, since it is larger than the sum of its proper divisors (6281753528995).

20425205355325 is a wasteful number, since it uses less digits than its factorization.

20425205355325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75307837 (or 75307832 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 43.

The spelling of 20425205355325 in words is "twenty trillion, four hundred twenty-five billion, two hundred five million, three hundred fifty-five thousand, three hundred twenty-five".