20222099979 has 8 divisors (see below), whose sum is σ = 27103967232. Its totient is φ = 13410816360.

The previous prime is 20222099903. The next prime is 20222099993. The reversal of 20222099979 is 97999022202.

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

It is not a de Polignac number, because 20222099979 - 2⁹ = 20222099467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20222091979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17645239 + ... + 17646384.

It is an arithmetic number, because the mean of its divisors is an integer number (3387995904).

Almost surely, 2^20222099979 is an apocalyptic number.

20222099979 is a deficient number, since it is larger than the sum of its proper divisors (6881867253).

20222099979 is a wasteful number, since it uses less digits than its factorization.

20222099979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35291817.

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 20222099979 in words is "twenty billion, two hundred twenty-two million, ninety-nine thousand, nine hundred seventy-nine".