20146679698 has 8 divisors (see below), whose sum is σ = 30602551680. Its totient is φ = 9945829140.

The previous prime is 20146679681. The next prime is 20146679699. The reversal of 20146679698 is 89697664102.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20146679699) 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 3 ways as a sum of consecutive naturals, for example, 63755158 + ... + 63755473.

It is an arithmetic number, because the mean of its divisors is an integer number (3825318960).

Almost surely, 2^20146679698 is an apocalyptic number.

20146679698 is a deficient number, since it is larger than the sum of its proper divisors (10455871982).

20146679698 is a wasteful number, since it uses less digits than its factorization.

20146679698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127510712.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 20146679698 in words is "twenty billion, one hundred forty-six million, six hundred seventy-nine thousand, six hundred ninety-eight".