20413412340 has 96 divisors (see below), whose sum is σ = 57509512704. Its totient is φ = 5410160640.

The previous prime is 20413412329. The next prime is 20413412347. The reversal of 20413412340 is 4321431402.

It is a self number, because there is not a number n which added to its sum of digits gives 20413412340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413412347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8340997 + ... + 8343443.

It is an arithmetic number, because the mean of its divisors is an integer number (599057424).

Almost surely, 2^20413412340 is an apocalyptic number.

20413412340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20413412340 is an abundant number, since it is smaller than the sum of its proper divisors (37096100364).

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

20413412340 is a wasteful number, since it uses less digits than its factorization.

20413412340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20413412340 its reverse (4321431402), we get a palindrome (24734843742).

The spelling of 20413412340 in words is "twenty billion, four hundred thirteen million, four hundred twelve thousand, three hundred forty".