20013141980 has 48 divisors (see below), whose sum is σ = 45403454880. Its totient is φ = 7366126848.

The previous prime is 20013141979. The next prime is 20013141983. The reversal of 20013141980 is 8914131002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013141983) by changing a digit.

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, 38990 + ... + 203829.

It is an arithmetic number, because the mean of its divisors is an integer number (945905310).

Almost surely, 2^20013141980 is an apocalyptic number.

20013141980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013141980 is an abundant number, since it is smaller than the sum of its proper divisors (25390312900).

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

20013141980 is a wasteful number, since it uses less digits than its factorization.

20013141980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243158 (or 243156 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

Adding to 20013141980 its reverse (8914131002), we get a palindrome (28927272982).

The spelling of 20013141980 in words is "twenty billion, thirteen million, one hundred forty-one thousand, nine hundred eighty".