13102031302020 has 72 divisors (see below), whose sum is σ = 39767256232704. Its totient is φ = 3491727501888.

The previous prime is 13102031302001. The next prime is 13102031302057. The reversal of 13102031302020 is 2020313020131.

13102031302020 is a `hidden beast` number, since 1 + 310 + 2 + 0 + 31 + 302 + 0 + 20 = 666.

It is a super-2 number, since 2×13102031302020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13102031301984 and 13102031302002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22076244 + ... + 22661963.

It is an arithmetic number, because the mean of its divisors is an integer number (552323003232).

Almost surely, 2^{13102031302020} is an apocalyptic number.

13102031302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13102031302020 is an abundant number, since it is smaller than the sum of its proper divisors (26665224930684).

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

13102031302020 is a wasteful number, since it uses less digits than its factorization.

13102031302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44739849 (or 44739844 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13102031302020 its reverse (2020313020131), we get a palindrome (15122344322151).

The spelling of 13102031302020 in words is "thirteen trillion, one hundred two billion, thirty-one million, three hundred two thousand, twenty".