20011099982 has 16 divisors (see below), whose sum is σ = 30478654080. Its totient is φ = 9852669048.

The previous prime is 20011099981. The next prime is 20011100023. The reversal of 20011099982 is 28999011002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011099981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244232 + ... + 315707.

It is an arithmetic number, because the mean of its divisors is an integer number (1904915880).

Almost surely, 2^20011099982 is an apocalyptic number.

20011099982 is a deficient number, since it is larger than the sum of its proper divisors (10467554098).

20011099982 is a wasteful number, since it uses less digits than its factorization.

20011099982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560215.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 20011099982 in words is "twenty billion, eleven million, ninety-nine thousand, nine hundred eighty-two".