13020550632 has 128 divisors (see below), whose sum is σ = 36726480000. Its totient is φ = 4273551360.

The previous prime is 13020550573. The next prime is 13020550661. The reversal of 13020550632 is 23605502031.

13020550632 is a `hidden beast` number, since 1 + 3 + 0 + 20 + 5 + 5 + 0 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13020550596 and 13020550605.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6255832 + ... + 6257912.

It is an arithmetic number, because the mean of its divisors is an integer number (286925625).

Almost surely, 2^13020550632 is an apocalyptic number.

13020550632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13020550632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18363240000).

13020550632 is an abundant number, since it is smaller than the sum of its proper divisors (23705929368).

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

13020550632 is a wasteful number, since it uses less digits than its factorization.

13020550632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528 (or 2518 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 13020550632 in words is "thirteen billion, twenty million, five hundred fifty thousand, six hundred thirty-two".