13420213240020 has 96 divisors (see below), whose sum is σ = 37762869513600. Its totient is φ = 3561010944000.

The previous prime is 13420213240009. The next prime is 13420213240033. The reversal of 13420213240020 is 2004231202431.

It is a happy number.

It is a super-3 number, since 3×13420213240020³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 15125656 + ... + 15988304.

It is an arithmetic number, because the mean of its divisors is an integer number (393363224100).

Almost surely, 2^{13420213240020} is an apocalyptic number.

13420213240020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13420213240020 is an abundant number, since it is smaller than the sum of its proper divisors (24342656273580).

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

13420213240020 is a wasteful number, since it uses less digits than its factorization.

13420213240020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863945 (or 863943 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 13420213240020 its reverse (2004231202431), we get a palindrome (15424444442451).

The spelling of 13420213240020 in words is "thirteen trillion, four hundred twenty billion, two hundred thirteen million, two hundred forty thousand, twenty".