20424400622 has 8 divisors (see below), whose sum is σ = 30637238472. Its totient is φ = 10211987800.

The previous prime is 20424400613. The next prime is 20424400649. The reversal of 20424400622 is 22600442402.

It is a happy number.

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

It is a super-2 number, since 2×20424400622² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20424400591 and 20424400600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77297 + ... + 216387.

It is an arithmetic number, because the mean of its divisors is an integer number (3829654809).

Almost surely, 2^20424400622 is an apocalyptic number.

20424400622 is a deficient number, since it is larger than the sum of its proper divisors (10212837850).

20424400622 is a wasteful number, since it uses less digits than its factorization.

20424400622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212514.

The product of its (nonzero) digits is 6144, while the sum is 26.

The spelling of 20424400622 in words is "twenty billion, four hundred twenty-four million, four hundred thousand, six hundred twenty-two".