20445024223560 has 64 divisors (see below), whose sum is σ = 61340610818880. Its totient is φ = 5451514179840.

The previous prime is 20445024223543. The next prime is 20445024223567. The reversal of 20445024223560 is 6532242054402.

It is not an unprimeable number, because it can be changed into a prime (20445024223567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6356371 + ... + 9016290.

It is an arithmetic number, because the mean of its divisors is an integer number (958447044045).

Almost surely, 2^{20445024223560} is an apocalyptic number.

20445024223560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20445024223560 is an abundant number, since it is smaller than the sum of its proper divisors (40895586595320).

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

20445024223560 is a wasteful number, since it uses less digits than its factorization.

20445024223560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15383758 (or 15383754 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 20445024223560 its reverse (6532242054402), we get a palindrome (26977266277962).

The spelling of 20445024223560 in words is "twenty trillion, four hundred forty-five billion, twenty-four million, two hundred twenty-three thousand, five hundred sixty".