20044016252496 has 120 divisors (see below), whose sum is σ = 58399348991880. Its totient is φ = 6409858710528.

The previous prime is 20044016252459. The next prime is 20044016252497. The reversal of 20044016252496 is 69425261044002.

It is a happy number.

20044016252496 is a `hidden beast` number, since 2 + 0 + 0 + 440 + 162 + 5 + 2 + 49 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 44874490896 + 19999141761600 = 211836^2 + 4472040^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20044016252497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14630395 + ... + 15941658.

It is an arithmetic number, because the mean of its divisors is an integer number (486661241599).

Almost surely, 2^{20044016252496} is an apocalyptic number.

It is an amenable number.

20044016252496 is an abundant number, since it is smaller than the sum of its proper divisors (38355332739384).

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

20044016252496 is a wasteful number, since it uses less digits than its factorization.

20044016252496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30572253 (or 30572244 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

Adding to 20044016252496 its reverse (69425261044002), we get a palindrome (89469277296498).

The spelling of 20044016252496 in words is "twenty trillion, forty-four billion, sixteen million, two hundred fifty-two thousand, four hundred ninety-six".