20144360626 has 16 divisors (see below), whose sum is σ = 32599335384. Its totient is φ = 9280698624.

The previous prime is 20144360611. The next prime is 20144360669. The reversal of 20144360626 is 62606344102.

It can be written as a sum of positive squares in 4 ways, for example, as 10234357225 + 9910003401 = 101165^2 + 99549^2 .

It is a super-2 number, since 2×20144360626² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20144360591 and 20144360600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681015 + ... + 709978.

Almost surely, 2^20144360626 is an apocalyptic number.

20144360626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20144360626 is a deficient number, since it is larger than the sum of its proper divisors (12454974758).

20144360626 is a wasteful number, since it uses less digits than its factorization.

20144360626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391565.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 20144360626 in words is "twenty billion, one hundred forty-four million, three hundred sixty thousand, six hundred twenty-six".