20344242400206 has 16 divisors (see below), whose sum is σ = 40688639182800. Its totient is φ = 6781388403008.

The previous prime is 20344242400201. The next prime is 20344242400231. The reversal of 20344242400206 is 60200424244302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344242400201) 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, 4682871 + ... + 7913138.

It is an arithmetic number, because the mean of its divisors is an integer number (2543039948925).

Almost surely, 2^{20344242400206} is an apocalyptic number.

20344242400206 is an abundant number, since it is smaller than the sum of its proper divisors (20344396782594).

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

20344242400206 is a wasteful number, since it uses less digits than its factorization.

20344242400206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12865203.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 20344242400206 its reverse (60200424244302), we get a palindrome (80544666644508).

The spelling of 20344242400206 in words is "twenty trillion, three hundred forty-four billion, two hundred forty-two million, four hundred thousand, two hundred six".