20141644986 has 48 divisors (see below), whose sum is σ = 44588014848. Its totient is φ = 6568192800.

The previous prime is 20141644981. The next prime is 20141644987. The reversal of 20141644986 is 68944614102.

It is not an unprimeable number, because it can be changed into a prime (20141644981) 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, 2966916 + ... + 2973696.

It is an arithmetic number, because the mean of its divisors is an integer number (928916976).

Almost surely, 2^20141644986 is an apocalyptic number.

20141644986 is an abundant number, since it is smaller than the sum of its proper divisors (24446369862).

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

20141644986 is a wasteful number, since it uses less digits than its factorization.

20141644986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10347 (or 10344 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 20141644986 in words is "twenty billion, one hundred forty-one million, six hundred forty-four thousand, nine hundred eighty-six".