20546622360 has 384 divisors, whose sum is σ = 74724249600. Its totient is φ = 4854021120.

The previous prime is 20546622347. The next prime is 20546622367. The reversal of 20546622360 is 6322664502.

20546622360 is a `hidden beast` number, since 20 + 5 + 4 + 6 + 622 + 3 + 6 + 0 = 666.

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 (20546622367) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 46803021 + ... + 46803459.

It is an arithmetic number, because the mean of its divisors is an integer number (194594400).

Almost surely, 2^20546622360 is an apocalyptic number.

20546622360 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 20546622360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37362124800).

20546622360 is an abundant number, since it is smaller than the sum of its proper divisors (54177627240).

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

20546622360 is a wasteful number, since it uses less digits than its factorization.

20546622360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 20546622360 in words is "twenty billion, five hundred forty-six million, six hundred twenty-two thousand, three hundred sixty".