20600798400 has 1008 divisors, whose sum is σ = 91716352000. Its totient is φ = 4269957120.

The previous prime is 20600798389. The next prime is 20600798423. The reversal of 20600798400 is 489700602.

20600798400 is a `hidden beast` number, since 2 + 0 + 600 + 7 + 9 + 8 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1008).

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 103521501 + ... + 103521699.

Almost surely, 2^20600798400 is an apocalyptic number.

20600798400 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 20600798400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45858176000).

20600798400 is an abundant number, since it is smaller than the sum of its proper divisors (71115553600).

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

20600798400 is a wasteful number, since it uses less digits than its factorization.

20600798400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 20600798400 in words is "twenty billion, six hundred million, seven hundred ninety-eight thousand, four hundred".