20611231622 has 8 divisors (see below), whose sum is σ = 30958460496. Its totient is φ = 10291744792.

The previous prime is 20611231603. The next prime is 20611231649. The reversal of 20611231622 is 22613211602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20611231591 and 20611231600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6933653 + ... + 6936624.

It is an arithmetic number, because the mean of its divisors is an integer number (3869807562).

Almost surely, 2^20611231622 is an apocalyptic number.

20611231622 is a deficient number, since it is larger than the sum of its proper divisors (10347228874).

20611231622 is a wasteful number, since it uses less digits than its factorization.

20611231622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13871022.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 20611231622 in words is "twenty billion, six hundred eleven million, two hundred thirty-one thousand, six hundred twenty-two".