20011341340 has 48 divisors (see below), whose sum is σ = 44302454784. Its totient is φ = 7581499200.

The previous prime is 20011341323. The next prime is 20011341347. The reversal of 20011341340 is 4314311002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011341347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314226 + ... + 372505.

It is an arithmetic number, because the mean of its divisors is an integer number (922967808).

Almost surely, 2^20011341340 is an apocalyptic number.

20011341340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20011341340 is an abundant number, since it is smaller than the sum of its proper divisors (24291113444).

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

20011341340 is a wasteful number, since it uses less digits than its factorization.

20011341340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686818 (or 686816 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20011341340 its reverse (4314311002), we get a palindrome (24325652342).

The spelling of 20011341340 in words is "twenty billion, eleven million, three hundred forty-one thousand, three hundred forty".