20305610960 has 40 divisors (see below), whose sum is σ = 47224718496. Its totient is φ = 8119806080.

The previous prime is 20305610959. The next prime is 20305610977. The reversal of 20305610960 is 6901650302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242927 + ... + 315633.

Almost surely, 2^20305610960 is an apocalyptic number.

20305610960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20305610960 is an abundant number, since it is smaller than the sum of its proper divisors (26919107536).

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

20305610960 is a wasteful number, since it uses less digits than its factorization.

20305610960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76211 (or 76205 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 20305610960 in words is "twenty billion, three hundred five million, six hundred ten thousand, nine hundred sixty".