20602840806814 has 32 divisors (see below), whose sum is σ = 35826478958592. Its totient is φ = 8703026640000.

The previous prime is 20602840806697. The next prime is 20602840806817. The reversal of 20602840806814 is 41860804820602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20602840806817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755014 + ... + 6463414.

It is an arithmetic number, because the mean of its divisors is an integer number (1119577467456).

Almost surely, 2^{20602840806814} is an apocalyptic number.

20602840806814 is a deficient number, since it is larger than the sum of its proper divisors (15223638151778).

20602840806814 is a wasteful number, since it uses less digits than its factorization.

20602840806814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712112.

The product of its (nonzero) digits is 1179648, while the sum is 49.

The spelling of 20602840806814 in words is "twenty trillion, six hundred two billion, eight hundred forty million, eight hundred six thousand, eight hundred fourteen".