20294740669806 has 24 divisors (see below), whose sum is σ = 45883761515280. Its totient is φ = 6470786880096.

The previous prime is 20294740669771. The next prime is 20294740669873. The reversal of 20294740669806 is 60896604749202.

20294740669806 is a `hidden beast` number, since 2 + 0 + 2 + 94 + 7 + 406 + 69 + 80 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24510555951 + ... + 24510556778.

It is an arithmetic number, because the mean of its divisors is an integer number (1911823396470).

Almost surely, 2^{20294740669806} is an apocalyptic number.

20294740669806 is an abundant number, since it is smaller than the sum of its proper divisors (25589020845474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20294740669806 is a wasteful number, since it uses less digits than its factorization.

20294740669806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49021112760 (or 49021112757 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 63.

The spelling of 20294740669806 in words is "twenty trillion, two hundred ninety-four billion, seven hundred forty million, six hundred sixty-nine thousand, eight hundred six".