20425001727525 has 24 divisors (see below), whose sum is σ = 34554669594720. Its totient is φ = 10640000898240.

The previous prime is 20425001727517. The next prime is 20425001727547. The reversal of 20425001727525 is 52572710052402.

It is not a de Polignac number, because 20425001727525 - 2³ = 20425001727517 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, 3166663710 + ... + 3166670159.

It is an arithmetic number, because the mean of its divisors is an integer number (1439777899780).

Almost surely, 2^{20425001727525} is an apocalyptic number.

20425001727525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20425001727525 is a deficient number, since it is larger than the sum of its proper divisors (14129667867195).

20425001727525 is a wasteful number, since it uses less digits than its factorization.

20425001727525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333333925 (or 6333333920 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 42.

Adding to 20425001727525 its reverse (52572710052402), we get a palindrome (72997711779927).

The spelling of 20425001727525 in words is "twenty trillion, four hundred twenty-five billion, one million, seven hundred twenty-seven thousand, five hundred twenty-five".