20808074074 has 8 divisors (see below), whose sum is σ = 31503813408. Its totient is φ = 10306802940.

The previous prime is 20808074011. The next prime is 20808074083. The reversal of 20808074074 is 47047080802.

It is a happy number.

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

20808074074 is a modest number, since divided by 74074 gives 20808 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48616782 + ... + 48617209.

It is an arithmetic number, because the mean of its divisors is an integer number (3937976676).

Almost surely, 2^20808074074 is an apocalyptic number.

20808074074 is a deficient number, since it is larger than the sum of its proper divisors (10695739334).

20808074074 is a wasteful number, since it uses less digits than its factorization.

20808074074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97234100.

The product of its (nonzero) digits is 100352, while the sum is 40.

The spelling of 20808074074 in words is "twenty billion, eight hundred eight million, seventy-four thousand, seventy-four".