20412413420 has 96 divisors (see below), whose sum is σ = 49787136000. Its totient is φ = 6885275904.

The previous prime is 20412413389. The next prime is 20412413447. The reversal of 20412413420 is 2431421402.

It is a super-4 number, since 4×20412413420⁴ (a number of 42 digits) contains 4444 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3237431 + ... + 3243729.

It is an arithmetic number, because the mean of its divisors is an integer number (518616000).

Almost surely, 2^20412413420 is an apocalyptic number.

20412413420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20412413420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24893568000).

20412413420 is an abundant number, since it is smaller than the sum of its proper divisors (29374722580).

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

20412413420 is a wasteful number, since it uses less digits than its factorization.

20412413420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20412413420 its reverse (2431421402), we get a palindrome (22843834822).

The spelling of 20412413420 in words is "twenty billion, four hundred twelve million, four hundred thirteen thousand, four hundred twenty".