20224866642 has 8 divisors (see below), whose sum is σ = 40449733296. Its totient is φ = 6741622212.

The previous prime is 20224866631. The next prime is 20224866661. The reversal of 20224866642 is 24666842202.

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

20224866642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20224866594 and 20224866603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1685405548 + ... + 1685405559.

It is an arithmetic number, because the mean of its divisors is an integer number (5056216662).

Almost surely, 2^20224866642 is an apocalyptic number.

20224866642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20224866642 is a wasteful number, since it uses less digits than its factorization.

20224866642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370811112.

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 20224866642 in words is "twenty billion, two hundred twenty-four million, eight hundred sixty-six thousand, six hundred forty-two".