20560245000 has 80 divisors (see below), whose sum is σ = 64230252240. Its totient is φ = 5482728000.

The previous prime is 20560244993. The next prime is 20560245001. The reversal of 20560245000 is 54206502.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20560245001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 670342 + ... + 700341.

It is an arithmetic number, because the mean of its divisors is an integer number (802878153).

Almost surely, 2^20560245000 is an apocalyptic number.

20560245000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20560245000 is an abundant number, since it is smaller than the sum of its proper divisors (43670007240).

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

20560245000 is a wasteful number, since it uses less digits than its factorization.

20560245000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370712 (or 1370693 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 20560245000 in words is "twenty billion, five hundred sixty million, two hundred forty-five thousand".