20212120983 has 8 divisors (see below), whose sum is σ = 27100051200. Its totient is φ = 13399469048.

The previous prime is 20212120927. The next prime is 20212120997. The reversal of 20212120983 is 38902121202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20212120983 - 2¹⁴ = 20212104599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20212120983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212120483) 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, 18818943 + ... + 18820016.

It is an arithmetic number, because the mean of its divisors is an integer number (3387506400).

Almost surely, 2^20212120983 is an apocalyptic number.

20212120983 is a deficient number, since it is larger than the sum of its proper divisors (6887930217).

20212120983 is a wasteful number, since it uses less digits than its factorization.

20212120983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37639141.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 20212120983 in words is "twenty billion, two hundred twelve million, one hundred twenty thousand, nine hundred eighty-three".