20801969268674 has 48 divisors (see below), whose sum is σ = 35153038343808. Its totient is φ = 9219817464000.

The previous prime is 20801969268673. The next prime is 20801969268727. The reversal of 20801969268674 is 47686296910802.

It is not an unprimeable number, because it can be changed into a prime (20801969268673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17758379 + ... + 18893489.

It is an arithmetic number, because the mean of its divisors is an integer number (732354965496).

Almost surely, 2^{20801969268674} is an apocalyptic number.

20801969268674 is a deficient number, since it is larger than the sum of its proper divisors (14351069075134).

20801969268674 is a wasteful number, since it uses less digits than its factorization.

20801969268674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137023 (or 1137012 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 68.

The spelling of 20801969268674 in words is "twenty trillion, eight hundred one billion, nine hundred sixty-nine million, two hundred sixty-eight thousand, six hundred seventy-four".