20532136206 has 48 divisors (see below), whose sum is σ = 43703675136. Its totient is φ = 6429381504.

The previous prime is 20532136187. The next prime is 20532136211. The reversal of 20532136206 is 60263123502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937675 + ... + 959321.

It is an arithmetic number, because the mean of its divisors is an integer number (910493232).

Almost surely, 2^20532136206 is an apocalyptic number.

20532136206 is an abundant number, since it is smaller than the sum of its proper divisors (23171538930).

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

20532136206 is a wasteful number, since it uses less digits than its factorization.

20532136206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233 (or 22216 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 20532136206 its reverse (60263123502), we get a palindrome (80795259708).

The spelling of 20532136206 in words is "twenty billion, five hundred thirty-two million, one hundred thirty-six thousand, two hundred six".