20560898001 has 32 divisors (see below), whose sum is σ = 33141012480. Its totient is φ = 11084287104.

The previous prime is 20560897999. The next prime is 20560898027. The reversal of 20560898001 is 10089806502.

It is not a de Polignac number, because 20560898001 - 2¹ = 20560897999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20560890001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256311 + ... + 326828.

It is an arithmetic number, because the mean of its divisors is an integer number (1035656640).

Almost surely, 2^20560898001 is an apocalyptic number.

20560898001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20560898001 is a deficient number, since it is larger than the sum of its proper divisors (12580114479).

20560898001 is a wasteful number, since it uses less digits than its factorization.

20560898001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583245.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 20560898001 in words is "twenty billion, five hundred sixty million, eight hundred ninety-eight thousand, one".