20014023144436 has 12 divisors (see below), whose sum is σ = 35024714683812. Its totient is φ = 10006961806208.

The previous prime is 20014023144421. The next prime is 20014023144469. The reversal of 20014023144436 is 63444132041002.

It can be written as a sum of positive squares in 2 ways, for example, as 4701984580836 + 15312038563600 = 2168406^2 + 3913060^2 .

It is a super-2 number, since 2×20014023144436² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11529205 + ... + 13151068.

It is an arithmetic number, because the mean of its divisors is an integer number (2918726223651).

Almost surely, 2^{20014023144436} is an apocalyptic number.

It is an amenable number.

20014023144436 is a deficient number, since it is larger than the sum of its proper divisors (15010691539376).

20014023144436 is a wasteful number, since it uses less digits than its factorization.

20014023144436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24883010 (or 24883008 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 20014023144436 its reverse (63444132041002), we get a palindrome (83458155185438).

The spelling of 20014023144436 in words is "twenty trillion, fourteen billion, twenty-three million, one hundred forty-four thousand, four hundred thirty-six".