20201209982 has 32 divisors (see below), whose sum is σ = 32098464000. Its totient is φ = 9508580928.

The previous prime is 20201209981. The next prime is 20201210033. The reversal of 20201209982 is 28990210202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201209981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8793458 + ... + 8795754.

It is an arithmetic number, because the mean of its divisors is an integer number (1003077000).

Almost surely, 2^20201209982 is an apocalyptic number.

20201209982 is a deficient number, since it is larger than the sum of its proper divisors (11897254018).

20201209982 is a wasteful number, since it uses less digits than its factorization.

20201209982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 20201209982 in words is "twenty billion, two hundred one million, two hundred nine thousand, nine hundred eighty-two".