63525417020 has 48 divisors (see below), whose sum is σ = 143685444000. Its totient is φ = 23452229376.

The previous prime is 63525417013. The next prime is 63525417023. The reversal of 63525417020 is 2071452536.

63525417020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63525417023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2580731 + ... + 2605229.

It is an arithmetic number, because the mean of its divisors is an integer number (2993446750).

Almost surely, 2^63525417020 is an apocalyptic number.

It is an amenable number.

63525417020 is an abundant number, since it is smaller than the sum of its proper divisors (80160026980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63525417020 is a wasteful number, since it uses less digits than its factorization.

63525417020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34494 (or 34492 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

Adding to 63525417020 its reverse (2071452536), we get a palindrome (65596869556).

The spelling of 63525417020 in words is "sixty-three billion, five hundred twenty-five million, four hundred seventeen thousand, twenty".