20294740669807 has 8 divisors (see below), whose sum is σ = 20540419547760. Its totient is φ = 20049089504640.

The previous prime is 20294740669771. The next prime is 20294740669873. The reversal of 20294740669807 is 70896604749202.

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

It is a cyclic number.

It is not a de Polignac number, because 20294740669807 - 2²⁷ = 20294606452079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20294740669897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5452794 + ... + 8385847.

It is an arithmetic number, because the mean of its divisors is an integer number (2567552443470).

Almost surely, 2^{20294740669807} is an apocalyptic number.

20294740669807 is a deficient number, since it is larger than the sum of its proper divisors (245678877953).

20294740669807 is a wasteful number, since it uses less digits than its factorization.

20294740669807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13856393.

The product of its (nonzero) digits is 73156608, while the sum is 64.

The spelling of 20294740669807 in words is "twenty trillion, two hundred ninety-four billion, seven hundred forty million, six hundred sixty-nine thousand, eight hundred seven".