20414303340 has 24 divisors (see below), whose sum is σ = 57160049520. Its totient is φ = 5443814208.

The previous prime is 20414303339. The next prime is 20414303347. The reversal of 20414303340 is 4330341402.

It is a self number, because there is not a number n which added to its sum of digits gives 20414303340.

It is not an unprimeable number, because it can be changed into a prime (20414303347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170119135 + ... + 170119254.

It is an arithmetic number, because the mean of its divisors is an integer number (2381668730).

Almost surely, 2^20414303340 is an apocalyptic number.

20414303340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20414303340 is an abundant number, since it is smaller than the sum of its proper divisors (36745746180).

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

20414303340 is a wasteful number, since it uses less digits than its factorization.

20414303340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340238401 (or 340238399 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20414303340 its reverse (4330341402), we get a palindrome (24744644742).

The spelling of 20414303340 in words is "twenty billion, four hundred fourteen million, three hundred three thousand, three hundred forty".