20245636606 has 16 divisors (see below), whose sum is σ = 32784469200. Its totient is φ = 9321288768.

The previous prime is 20245636603. The next prime is 20245636709. The reversal of 20245636606 is 60663654202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20245636603) 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, 941296 + ... + 962563.

It is an arithmetic number, because the mean of its divisors is an integer number (2049029325).

Almost surely, 2^20245636606 is an apocalyptic number.

20245636606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20245636606 is a deficient number, since it is larger than the sum of its proper divisors (12538832594).

20245636606 is a wasteful number, since it uses less digits than its factorization.

20245636606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904283.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 20245636606 in words is "twenty billion, two hundred forty-five million, six hundred thirty-six thousand, six hundred six".