20107763760 has 160 divisors (see below), whose sum is σ = 71372431872. Its totient is φ = 4587448320.

The previous prime is 20107763713. The next prime is 20107763789. The reversal of 20107763760 is 6736770102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 908020 + ... + 929900.

Almost surely, 2^20107763760 is an apocalyptic number.

20107763760 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 20107763760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35686215936).

20107763760 is an abundant number, since it is smaller than the sum of its proper divisors (51264668112).

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

20107763760 is a wasteful number, since it uses less digits than its factorization.

20107763760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22451 (or 22445 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 39.

The spelling of 20107763760 in words is "twenty billion, one hundred seven million, seven hundred sixty-three thousand, seven hundred sixty".