20013340120 has 64 divisors (see below), whose sum is σ = 45408625920. Its totient is φ = 7938263424.

The previous prime is 20013340099. The next prime is 20013340141. The reversal of 20013340120 is 2104331002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20013340099) and next prime (20013340141).

It is a super-2 number, since 2×20013340120² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20013340094 and 20013340103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2955859 + ... + 2962621.

It is an arithmetic number, because the mean of its divisors is an integer number (709509780).

Almost surely, 2^20013340120 is an apocalyptic number.

20013340120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013340120 is an abundant number, since it is smaller than the sum of its proper divisors (25395285800).

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

20013340120 is a wasteful number, since it uses less digits than its factorization.

20013340120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384 (or 7380 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20013340120 its reverse (2104331002), we get a palindrome (22117671122).

The spelling of 20013340120 in words is "twenty billion, thirteen million, three hundred forty thousand, one hundred twenty".