20041884156 has 36 divisors (see below), whose sum is σ = 54399401448. Its totient is φ = 5726252448.

The previous prime is 20041884151. The next prime is 20041884157. The reversal of 20041884156 is 65148814002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20041884151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17041831 + ... + 17043006.

Almost surely, 2^20041884156 is an apocalyptic number.

It is an amenable number.

20041884156 is an abundant number, since it is smaller than the sum of its proper divisors (34357517292).

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

20041884156 is a wasteful number, since it uses less digits than its factorization.

20041884156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34084858 (or 34084849 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 20041884156 in words is "twenty billion, forty-one million, eight hundred eighty-four thousand, one hundred fifty-six".