20336542560 has 96 divisors (see below), whose sum is σ = 71177914080. Its totient is φ = 5423076864.

The previous prime is 20336542559. The next prime is 20336542561. The reversal of 20336542560 is 6524563302.

20336542560 is a `hidden beast` number, since 2 + 0 + 33 + 65 + 4 + 2 + 560 = 666.

It is an interprime number because it is at equal distance from previous prime (20336542559) and next prime (20336542561).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20336542561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2349447 + ... + 2358086.

It is an arithmetic number, because the mean of its divisors is an integer number (741436605).

Almost surely, 2^20336542560 is an apocalyptic number.

20336542560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20336542560 is an abundant number, since it is smaller than the sum of its proper divisors (50841371520).

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

20336542560 is a wasteful number, since it uses less digits than its factorization.

20336542560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707557 (or 4707543 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 20336542560 in words is "twenty billion, three hundred thirty-six million, five hundred forty-two thousand, five hundred sixty".