20091074076 has 36 divisors (see below), whose sum is σ = 50794196544. Its totient is φ = 6695913600.

The previous prime is 20091074071. The next prime is 20091074093. The reversal of 20091074076 is 67047019002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 20091074076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20091074071) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 190261 + ... + 276371.

It is an arithmetic number, because the mean of its divisors is an integer number (1410949904).

Almost surely, 2^20091074076 is an apocalyptic number.

It is an amenable number.

20091074076 is an abundant number, since it is smaller than the sum of its proper divisors (30703122468).

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

20091074076 is a wasteful number, since it uses less digits than its factorization.

20091074076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92602 (or 92597 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 20091074076 in words is "twenty billion, ninety-one million, seventy-four thousand, seventy-six".