20680141340 has 48 divisors (see below), whose sum is σ = 45330001920. Its totient is φ = 7910041920.

The previous prime is 20680141337. The next prime is 20680141397. The reversal of 20680141340 is 4314108602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3074501 + ... + 3081219.

It is an arithmetic number, because the mean of its divisors is an integer number (944375040).

Almost surely, 2^20680141340 is an apocalyptic number.

20680141340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20680141340 is an abundant number, since it is smaller than the sum of its proper divisors (24649860580).

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

20680141340 is a wasteful number, since it uses less digits than its factorization.

20680141340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442 (or 13440 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 20680141340 its reverse (4314108602), we get a palindrome (24994249942).

The spelling of 20680141340 in words is "twenty billion, six hundred eighty million, one hundred forty-one thousand, three hundred forty".