20459362235904 has 240 divisors, whose sum is σ = 60191550619200. Its totient is φ = 6688160083968.

The previous prime is 20459362235869. The next prime is 20459362235947. The reversal of 20459362235904 is 40953226395402.

It is a happy number.

20459362235904 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 9 + 3 + 622 + 3 + 5 + 9 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113824567 + ... + 114004169.

It is an arithmetic number, because the mean of its divisors is an integer number (250798127580).

Almost surely, 2^{20459362235904} is an apocalyptic number.

20459362235904 is a gapful number since it is divisible by the number (24) 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 20459362235904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30095775309600).

20459362235904 is an abundant number, since it is smaller than the sum of its proper divisors (39732188383296).

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

20459362235904 is a wasteful number, since it uses less digits than its factorization.

20459362235904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180105 (or 180086 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 54.

The spelling of 20459362235904 in words is "twenty trillion, four hundred fifty-nine billion, three hundred sixty-two million, two hundred thirty-five thousand, nine hundred four".