20043725654446 has 32 divisors (see below), whose sum is σ = 33832553384448. Its totient is φ = 8836563304800.

The previous prime is 20043725654437. The next prime is 20043725654473. The reversal of 20043725654446 is 64445652734002.

It is a super-2 number, since 2×20043725654446² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20043725654393 and 20043725654402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22617480 + ... + 23486971.

It is an arithmetic number, because the mean of its divisors is an integer number (1057267293264).

Almost surely, 2^{20043725654446} is an apocalyptic number.

20043725654446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20043725654446 is a deficient number, since it is larger than the sum of its proper divisors (13788827730002).

20043725654446 is a wasteful number, since it uses less digits than its factorization.

20043725654446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46105216.

The product of its (nonzero) digits is 19353600, while the sum is 52.

The spelling of 20043725654446 in words is "twenty trillion, forty-three billion, seven hundred twenty-five million, six hundred fifty-four thousand, four hundred forty-six".