20606224026444 has 24 divisors (see below), whose sum is σ = 54949930737408. Its totient is φ = 5887492578960.

The previous prime is 20606224026413. The next prime is 20606224026467. The reversal of 20606224026444 is 44462042260602.

It is a happy number.

It is a super-2 number, since 2×20606224026444² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 20606224026396 and 20606224026405.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 122656095312 + ... + 122656095479.

It is an arithmetic number, because the mean of its divisors is an integer number (2289580447392).

Almost surely, 2^{20606224026444} is an apocalyptic number.

It is an amenable number.

20606224026444 is an abundant number, since it is smaller than the sum of its proper divisors (34343706710964).

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

20606224026444 is a wasteful number, since it uses less digits than its factorization.

20606224026444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245312190805 (or 245312190803 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 20606224026444 in words is "twenty trillion, six hundred six billion, two hundred twenty-four million, twenty-six thousand, four hundred forty-four".