13263262634020 has 96 divisors (see below), whose sum is σ = 32149211786496. Its totient is φ = 4502070336000.

The previous prime is 13263262633969. The next prime is 13263262634117. The reversal of 13263262634020 is 2043626236231.

It is a super-2 number, since 2×13263262634020² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311242515 + ... + 311285125.

It is an arithmetic number, because the mean of its divisors is an integer number (334887622776).

Almost surely, 2^{13263262634020} is an apocalyptic number.

13263262634020 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 13263262634020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16074605893248).

13263262634020 is an abundant number, since it is smaller than the sum of its proper divisors (18885949152476).

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

13263262634020 is a wasteful number, since it uses less digits than its factorization.

13263262634020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64741 (or 64739 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 13263262634020 in words is "thirteen trillion, two hundred sixty-three billion, two hundred sixty-two million, six hundred thirty-four thousand, twenty".