20130240140 has 12 divisors (see below), whose sum is σ = 42273504336. Its totient is φ = 8052096048.

The previous prime is 20130240071. The next prime is 20130240181. The reversal of 20130240140 is 4104203102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503255984 + ... + 503256023.

It is an arithmetic number, because the mean of its divisors is an integer number (3522792028).

Almost surely, 2^20130240140 is an apocalyptic number.

20130240140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130240140 is an abundant number, since it is smaller than the sum of its proper divisors (22143264196).

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

20130240140 is a wasteful number, since it uses less digits than its factorization.

20130240140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006512016 (or 1006512014 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20130240140 its reverse (4104203102), we get a palindrome (24234443242).

The spelling of 20130240140 in words is "twenty billion, one hundred thirty million, two hundred forty thousand, one hundred forty".