20000668982630 has 16 divisors (see below), whose sum is σ = 41144233335840. Its totient is φ = 6857372222592.

The previous prime is 20000668982573. The next prime is 20000668982641. The reversal of 20000668982630 is 3628986600002.

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, 142861921235 + ... + 142861921374.

It is an arithmetic number, because the mean of its divisors is an integer number (2571514583490).

Almost surely, 2^{20000668982630} is an apocalyptic number.

20000668982630 is an abundant number, since it is smaller than the sum of its proper divisors (21143564353210).

20000668982630 is a wasteful number, since it uses less digits than its factorization.

20000668982630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285723842623.

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 20000668982630 in words is "twenty trillion, six hundred sixty-eight million, nine hundred eighty-two thousand, six hundred thirty".