20396019998 has 8 divisors (see below), whose sum is σ = 31171276008. Its totient is φ = 10005594664.

The previous prime is 20396019997. The next prime is 20396020013. The reversal of 20396019998 is 89991069302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20396019997) 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, 96207536 + ... + 96207747.

It is an arithmetic number, because the mean of its divisors is an integer number (3896409501).

Almost surely, 2^20396019998 is an apocalyptic number.

20396019998 is a deficient number, since it is larger than the sum of its proper divisors (10775256010).

20396019998 is a wasteful number, since it uses less digits than its factorization.

20396019998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192415338.

The product of its (nonzero) digits is 1889568, while the sum is 56.

The spelling of 20396019998 in words is "twenty billion, three hundred ninety-six million, nineteen thousand, nine hundred ninety-eight".