13133021020 has 24 divisors (see below), whose sum is σ = 31519250784. Its totient is φ = 4502750016.

The previous prime is 13133020991. The next prime is 13133021021. The reversal of 13133021020 is 2012033131.

It is a super-2 number, since 2×13133021020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13133020985 and 13133021003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133021021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46903507 + ... + 46903786.

It is an arithmetic number, because the mean of its divisors is an integer number (1313302116).

Almost surely, 2^13133021020 is an apocalyptic number.

13133021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13133021020 is an abundant number, since it is smaller than the sum of its proper divisors (18386229764).

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

13133021020 is a wasteful number, since it uses less digits than its factorization.

13133021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93807309 (or 93807307 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13133021020 its reverse (2012033131), we get a palindrome (15145054151).

The spelling of 13133021020 in words is "thirteen billion, one hundred thirty-three million, twenty-one thousand, twenty".