20136354606 has 96 divisors (see below), whose sum is σ = 45830873088. Its totient is φ = 6381869760.

The previous prime is 20136354583. The next prime is 20136354611. The reversal of 20136354606 is 60645363102.

20136354606 is a `hidden beast` number, since 2 + 0 + 13 + 6 + 35 + 4 + 606 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9122755 + ... + 9124961.

It is an arithmetic number, because the mean of its divisors is an integer number (477404928).

Almost surely, 2^20136354606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20136354606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22915436544).

20136354606 is an abundant number, since it is smaller than the sum of its proper divisors (25694518482).

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

20136354606 is a wasteful number, since it uses less digits than its factorization.

20136354606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2523 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 20136354606 in words is "twenty billion, one hundred thirty-six million, three hundred fifty-four thousand, six hundred six".