20560303225440 has 144 divisors (see below), whose sum is σ = 76540401611856. Its totient is φ = 4984315929600.

The previous prime is 20560303225433. The next prime is 20560303225459. The reversal of 20560303225440 is 4452230306502.

20560303225440 is a `hidden beast` number, since 2 + 0 + 5 + 60 + 30 + 3 + 22 + 544 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20560303225395 and 20560303225404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 648983631 + ... + 649015310.

It is an arithmetic number, because the mean of its divisors is an integer number (531530566749).

Almost surely, 2^{20560303225440} is an apocalyptic number.

20560303225440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20560303225440 is an abundant number, since it is smaller than the sum of its proper divisors (55980098386416).

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

20560303225440 is a wasteful number, since it uses less digits than its factorization.

20560303225440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297998973 (or 1297998962 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 20560303225440 in words is "twenty trillion, five hundred sixty billion, three hundred three million, two hundred twenty-five thousand, four hundred forty".