20212132986 has 28 divisors (see below), whose sum is σ = 45456508122. Its totient is φ = 6737377176.

The previous prime is 20212132981. The next prime is 20212132999. The reversal of 20212132986 is 68923121202.

It is a happy number.

20212132986 is a `hidden beast` number, since 202 + 121 + 329 + 8 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15112030761 + 5100102225 = 122931^2 + 71415^2 .

It is a super-3 number, since 3×20212132986³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20212132986.

It is not an unprimeable number, because it can be changed into a prime (20212132981) 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 13 ways as a sum of consecutive naturals, for example, 6930001 + ... + 6932916.

Almost surely, 2^20212132986 is an apocalyptic number.

20212132986 is an abundant number, since it is smaller than the sum of its proper divisors (25244375136).

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

20212132986 is an equidigital number, since it uses as much as digits as its factorization.

20212132986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13862937 (or 13862922 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 20212132986 in words is "twenty billion, two hundred twelve million, one hundred thirty-two thousand, nine hundred eighty-six".