20112409074 has 32 divisors (see below), whose sum is σ = 42477266880. Its totient is φ = 6330984192.

The previous prime is 20112409013. The next prime is 20112409099. The reversal of 20112409074 is 47090421102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246147 + ... + 317510.

It is an arithmetic number, because the mean of its divisors is an integer number (1327414590).

Almost surely, 2^20112409074 is an apocalyptic number.

20112409074 is an abundant number, since it is smaller than the sum of its proper divisors (22364857806).

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

20112409074 is a wasteful number, since it uses less digits than its factorization.

20112409074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563994.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 20112409074 in words is "twenty billion, one hundred twelve million, four hundred nine thousand, seventy-four".