20322699819 has 8 divisors (see below), whose sum is σ = 27132731280. Its totient is φ = 13530567456.

The previous prime is 20322699811. The next prime is 20322699823. The reversal of 20322699819 is 91899622302.

It is a happy number.

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

It is not a de Polignac number, because 20322699819 - 2³ = 20322699811 is a prime.

It is a super-2 number, since 2×20322699819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20322699811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4472124 + ... + 4476665.

It is an arithmetic number, because the mean of its divisors is an integer number (3391591410).

Almost surely, 2^20322699819 is an apocalyptic number.

20322699819 is a deficient number, since it is larger than the sum of its proper divisors (6810031461).

20322699819 is an equidigital number, since it uses as much as digits as its factorization.

20322699819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8949549.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 20322699819 in words is "twenty billion, three hundred twenty-two million, six hundred ninety-nine thousand, eight hundred nineteen".