20412303104 has 72 divisors (see below), whose sum is σ = 43184389248. Its totient is φ = 9596272640.

The previous prime is 20412303077. The next prime is 20412303113. The reversal of 20412303104 is 40130321402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6443729 + ... + 6446895.

It is an arithmetic number, because the mean of its divisors is an integer number (599783184).

Almost surely, 2^20412303104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20412303104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21592194624).

20412303104 is an abundant number, since it is smaller than the sum of its proper divisors (22772086144).

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

20412303104 is a wasteful number, since it uses less digits than its factorization.

20412303104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681 (or 4667 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20412303104 its reverse (40130321402), we get a palindrome (60542624506).

The spelling of 20412303104 in words is "twenty billion, four hundred twelve million, three hundred three thousand, one hundred four".