20224340020440 has 96 divisors (see below), whose sum is σ = 65731296430800. Its totient is φ = 5392977534720.

The previous prime is 20224340020373. The next prime is 20224340020457. The reversal of 20224340020440 is 4402004342202.

20224340020440 is a `hidden beast` number, since 2 + 0 + 22 + 434 + 0 + 0 + 204 + 4 + 0 = 666.

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, 10055526 + ... + 11897994.

Almost surely, 2^{20224340020440} is an apocalyptic number.

20224340020440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224340020440 is an abundant number, since it is smaller than the sum of its proper divisors (45506956410360).

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

20224340020440 is a wasteful number, since it uses less digits than its factorization.

20224340020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872977 (or 1872970 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 20224340020440 its reverse (4402004342202), we get a palindrome (24626344362642).

The spelling of 20224340020440 in words is "twenty trillion, two hundred twenty-four billion, three hundred forty million, twenty thousand, four hundred forty".