20536883412 has 12 divisors (see below), whose sum is σ = 47919394656. Its totient is φ = 6845627800.

The previous prime is 20536883363. The next prime is 20536883413. The reversal of 20536883412 is 21438863502.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×20536883412³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20536883413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855703464 + ... + 855703487.

It is an arithmetic number, because the mean of its divisors is an integer number (3993282888).

Almost surely, 2^20536883412 is an apocalyptic number.

It is an amenable number.

20536883412 is an abundant number, since it is smaller than the sum of its proper divisors (27382511244).

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

20536883412 is a wasteful number, since it uses less digits than its factorization.

20536883412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711406958 (or 1711406956 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 20536883412 in words is "twenty billion, five hundred thirty-six million, eight hundred eighty-three thousand, four hundred twelve".