20310000209998 has 16 divisors (see below), whose sum is σ = 30637437667200. Its totient is φ = 10097656075000.

The previous prime is 20310000209981. The next prime is 20310000210011. The reversal of 20310000209998 is 89990200001302.

It is a super-3 number, since 3×20310000209998³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 33470728 + ... + 34072123.

It is an arithmetic number, because the mean of its divisors is an integer number (1914839854200).

Almost surely, 2^{20310000209998} is an apocalyptic number.

20310000209998 is a deficient number, since it is larger than the sum of its proper divisors (10327437457202).

20310000209998 is a wasteful number, since it uses less digits than its factorization.

20310000209998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67543703.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 20310000209998 in words is "twenty trillion, three hundred ten billion, two hundred nine thousand, nine hundred ninety-eight".