20412413140 has 72 divisors (see below), whose sum is σ = 51473221632. Its totient is φ = 6772772160.

The previous prime is 20412413107. The next prime is 20412413141. The reversal of 20412413140 is 4131421402.

It is a happy number.

It is a super-4 number, since 4×20412413140⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412413141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305572 + ... + 366331.

It is an arithmetic number, because the mean of its divisors is an integer number (714905856).

Almost surely, 2^20412413140 is an apocalyptic number.

20412413140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20412413140 is an abundant number, since it is smaller than the sum of its proper divisors (31060808492).

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

20412413140 is a wasteful number, since it uses less digits than its factorization.

20412413140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671957 (or 671948 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20412413140 its reverse (4131421402), we get a palindrome (24543834542).

The spelling of 20412413140 in words is "twenty billion, four hundred twelve million, four hundred thirteen thousand, one hundred forty".