20440014507434 has 16 divisors (see below), whose sum is σ = 30719544182496. Its totient is φ = 10200181045200.

The previous prime is 20440014507397. The next prime is 20440014507439. The reversal of 20440014507434 is 43470541004402.

It is a super-2 number, since 2×20440014507434² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20440014507439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846977 + ... + 6449604.

It is an arithmetic number, because the mean of its divisors is an integer number (1919971511406).

Almost surely, 2^{20440014507434} is an apocalyptic number.

20440014507434 is a deficient number, since it is larger than the sum of its proper divisors (10279529675062).

20440014507434 is a wasteful number, since it uses less digits than its factorization.

20440014507434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7299301.

The product of its (nonzero) digits is 215040, while the sum is 38.

The spelling of 20440014507434 in words is "twenty trillion, four hundred forty billion, fourteen million, five hundred seven thousand, four hundred thirty-four".