13132020 has 96 divisors (see below), whose sum is σ = 40715136. Its totient is φ = 3136000.

The previous prime is 13132001. The next prime is 13132033. The reversal of 13132020 is 2023131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 13131987 and 13132005.

It is a congruent number.

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, 66562 + ... + 66758.

It is an arithmetic number, because the mean of its divisors is an integer number (424116).

Almost surely, 2^13132020 is an apocalyptic number.

13132020 is a gapful number since it is divisible by the number (10) 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 13132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20357568).

13132020 is an abundant number, since it is smaller than the sum of its proper divisors (27583116).

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

13132020 is a wasteful number, since it uses less digits than its factorization.

13132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13132020 is about 3623.8129090780. The cubic root of 13132020 is about 235.9267463923.

Adding to 13132020 its reverse (2023131), we get a palindrome (15155151).

Subtracting from 13132020 its reverse (2023131), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1313 and 2020, that added together give a palindrome (3333).

The spelling of 13132020 in words is "thirteen million, one hundred thirty-two thousand, twenty".