63605547020 has 24 divisors (see below), whose sum is σ = 133617877344. Its totient is φ = 25433413376.

The previous prime is 63605546993. The next prime is 63605547079. The reversal of 63605547020 is 2074550636.

63605547020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63605547020² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490952 + ... + 606831.

It is an arithmetic number, because the mean of its divisors is an integer number (5567411556).

Almost surely, 2^63605547020 is an apocalyptic number.

It is an amenable number.

63605547020 is an abundant number, since it is smaller than the sum of its proper divisors (70012330324).

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

63605547020 is a wasteful number, since it uses less digits than its factorization.

63605547020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100689 (or 1100687 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 63605547020 in words is "sixty-three billion, six hundred five million, five hundred forty-seven thousand, twenty".