20525451135 has 16 divisors (see below), whose sum is σ = 37532253696. Its totient is φ = 9383063328.

The previous prime is 20525451103. The next prime is 20525451161. The reversal of 20525451135 is 53115452502.

It is not a de Polignac number, because 20525451135 - 2⁵ = 20525451103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20525451096 and 20525451105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97740139 + ... + 97740348.

It is an arithmetic number, because the mean of its divisors is an integer number (2345765856).

Almost surely, 2^20525451135 is an apocalyptic number.

20525451135 is a deficient number, since it is larger than the sum of its proper divisors (17006802561).

20525451135 is a wasteful number, since it uses less digits than its factorization.

20525451135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195480502.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 20525451135 in words is "twenty billion, five hundred twenty-five million, four hundred fifty-one thousand, one hundred thirty-five".