20768095560 has 128 divisors (see below), whose sum is σ = 67752443520. Its totient is φ = 5071491072.

The previous prime is 20768095519. The next prime is 20768095567. The reversal of 20768095560 is 6559086702.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20768095567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62094 + ... + 213053.

It is an arithmetic number, because the mean of its divisors is an integer number (529315965).

Almost surely, 2^20768095560 is an apocalyptic number.

20768095560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20768095560 is an abundant number, since it is smaller than the sum of its proper divisors (46984347960).

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

20768095560 is a wasteful number, since it uses less digits than its factorization.

20768095560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275215 (or 275211 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 20768095560 in words is "twenty billion, seven hundred sixty-eight million, ninety-five thousand, five hundred sixty".