20596161600 has 840 divisors, whose sum is σ = 87988737408. Its totient is φ = 4628275200.

The previous prime is 20596161583. The next prime is 20596161617. The reversal of 20596161600 is 616169502.

20596161600 is a `hidden beast` number, since 2 + 0 + 596 + 1 + 6 + 1 + 60 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (20596161583) and next prime (20596161617).

It is a tau number, because it is divible by the number of its divisors (840).

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 119 ways as a sum of consecutive naturals, for example, 66225445 + ... + 66225755.

Almost surely, 2^20596161600 is an apocalyptic number.

20596161600 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 20596161600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43994368704).

20596161600 is an abundant number, since it is smaller than the sum of its proper divisors (67392575808).

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

20596161600 is a wasteful number, since it uses less digits than its factorization.

20596161600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 20596161600 in words is "twenty billion, five hundred ninety-six million, one hundred sixty-one thousand, six hundred".