20312652026066 has 32 divisors (see below), whose sum is σ = 32179653209088. Its totient is φ = 9596842385680.

The previous prime is 20312652026047. The next prime is 20312652026099. The reversal of 20312652026066 is 66062025621302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43472261 + ... + 43937031.

It is an arithmetic number, because the mean of its divisors is an integer number (1005614162784).

Almost surely, 2^{20312652026066} is an apocalyptic number.

20312652026066 is a deficient number, since it is larger than the sum of its proper divisors (11867001183022).

20312652026066 is a wasteful number, since it uses less digits than its factorization.

20312652026066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476326.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 20312652026066 its reverse (66062025621302), we get a palindrome (86374677647368).

The spelling of 20312652026066 in words is "twenty trillion, three hundred twelve billion, six hundred fifty-two million, twenty-six thousand, sixty-six".