20486271600 has 240 divisors, whose sum is σ = 77205817440. Its totient is φ = 5141606400.

The previous prime is 20486271571. The next prime is 20486271613. The reversal of 20486271600 is 617268402.

20486271600 is a `hidden beast` number, since 2 + 0 + 48 + 6 + 2 + 7 + 1 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 127810 + ... + 239390.

It is an arithmetic number, because the mean of its divisors is an integer number (321690906).

Almost surely, 2^20486271600 is an apocalyptic number.

20486271600 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 20486271600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38602908720).

20486271600 is an abundant number, since it is smaller than the sum of its proper divisors (56719545840).

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

20486271600 is a wasteful number, since it uses less digits than its factorization.

20486271600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111625 (or 111608 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 20486271600 in words is "twenty billion, four hundred eighty-six million, two hundred seventy-one thousand, six hundred".