20600265600 has 384 divisors, whose sum is σ = 75938592000. Its totient is φ = 5453568000.

The previous prime is 20600265599. The next prime is 20600265613. The reversal of 20600265600 is 656200602.

20600265600 is a `hidden beast` number, since 2 + 0 + 6 + 0 + 0 + 2 + 656 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 13045611 + ... + 13047189.

It is an arithmetic number, because the mean of its divisors is an integer number (197756750).

Almost surely, 2^20600265600 is an apocalyptic number.

20600265600 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 20600265600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37969296000).

20600265600 is an abundant number, since it is smaller than the sum of its proper divisors (55338326400).

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

20600265600 is a wasteful number, since it uses less digits than its factorization.

20600265600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 20600265600 in words is "twenty billion, six hundred million, two hundred sixty-five thousand, six hundred".