13601620002820 has 24 divisors (see below), whose sum is σ = 28563763486104. Its totient is φ = 5440579147776.

The previous prime is 13601620002797. The next prime is 13601620002823. The reversal of 13601620002820 is 2820002610631.

13601620002820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1569823561476 + 12031796441344 = 1252926^2 + 3468688^2 .

It is a super-2 number, since 2×13601620002820² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13601620002823) 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, 2668317 + ... + 5858596.

It is an arithmetic number, because the mean of its divisors is an integer number (1190156811921).

Almost surely, 2^{13601620002820} is an apocalyptic number.

13601620002820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13601620002820 is an abundant number, since it is smaller than the sum of its proper divisors (14962143483284).

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

13601620002820 is a wasteful number, since it uses less digits than its factorization.

13601620002820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606679 (or 8606677 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 13601620002820 in words is "thirteen trillion, six hundred one billion, six hundred twenty million, two thousand, eight hundred twenty".