20740205227944 has 64 divisors (see below), whose sum is σ = 54906010885440. Its totient is φ = 6506083036160.

The previous prime is 20740205227883. The next prime is 20740205227949. The reversal of 20740205227944 is 44972250204702.

It is a super-2 number, since 2×20740205227944² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20740205227893 and 20740205227902.

It is not an unprimeable number, because it can be changed into a prime (20740205227949) by changing a digit.

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, 1578607 + ... + 6631169.

It is an arithmetic number, because the mean of its divisors is an integer number (857906420085).

Almost surely, 2^{20740205227944} is an apocalyptic number.

20740205227944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20740205227944 is an abundant number, since it is smaller than the sum of its proper divisors (34165805657496).

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

20740205227944 is a wasteful number, since it uses less digits than its factorization.

20740205227944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062650 (or 5062646 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 20740205227944 in words is "twenty trillion, seven hundred forty billion, two hundred five million, two hundred twenty-seven thousand, nine hundred forty-four".