20024226266640 has 80 divisors (see below), whose sum is σ = 62076226867200. Its totient is φ = 5339696859136.

The previous prime is 20024226266623. The next prime is 20024226266701. The reversal of 20024226266640 is 4666262242002.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 20024226266592 and 20024226266601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13031281 + ... + 14486639.

It is an arithmetic number, because the mean of its divisors is an integer number (775952835840).

Almost surely, 2^{20024226266640} is an apocalyptic number.

20024226266640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20024226266640 is an abundant number, since it is smaller than the sum of its proper divisors (42052000600560).

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

20024226266640 is a wasteful number, since it uses less digits than its factorization.

20024226266640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512704 (or 1512698 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 20024226266640 in words is "twenty trillion, twenty-four billion, two hundred twenty-six million, two hundred sixty-six thousand, six hundred forty".