20344650601444 has 24 divisors (see below), whose sum is σ = 38341966268088. Its totient is φ = 9389808188160.

The previous prime is 20344650601441. The next prime is 20344650601487. The reversal of 20344650601444 is 44410605644302.

It can be written as a sum of positive squares in 4 ways, for example, as 1288701744100 + 19055948857344 = 1135210^2 + 4365312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20344650601444.

It is not an unprimeable number, because it can be changed into a prime (20344650601441) 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, 26597424 + ... + 27351640.

It is an arithmetic number, because the mean of its divisors is an integer number (1597581927837).

Almost surely, 2^{20344650601444} is an apocalyptic number.

It is an amenable number.

20344650601444 is a deficient number, since it is larger than the sum of its proper divisors (17997315666644).

20344650601444 is a wasteful number, since it uses less digits than its factorization.

20344650601444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272975 (or 1272973 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 43.

The spelling of 20344650601444 in words is "twenty trillion, three hundred forty-four billion, six hundred fifty million, six hundred one thousand, four hundred forty-four".