20179096560 has 480 divisors, whose sum is σ = 83766638592. Its totient is φ = 4247838720.

The previous prime is 20179096499. The next prime is 20179096583. The reversal of 20179096560 is 6569097102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4024455 + ... + 4029465.

Almost surely, 2^20179096560 is an apocalyptic number.

20179096560 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 20179096560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41883319296).

20179096560 is an abundant number, since it is smaller than the sum of its proper divisors (63587542032).

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

20179096560 is a wasteful number, since it uses less digits than its factorization.

20179096560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101 (or 5092 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 20179096560 in words is "twenty billion, one hundred seventy-nine million, ninety-six thousand, five hundred sixty".