20120664215246 has 8 divisors (see below), whose sum is σ = 34492567226160. Its totient is φ = 8623141806528.

The previous prime is 20120664215227. The next prime is 20120664215263. The reversal of 20120664215246 is 64251246602102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20120664215246² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718595150531 + ... + 718595150558.

It is an arithmetic number, because the mean of its divisors is an integer number (4311570903270).

Almost surely, 2^{20120664215246} is an apocalyptic number.

20120664215246 is a deficient number, since it is larger than the sum of its proper divisors (14371903010914).

20120664215246 is a wasteful number, since it uses less digits than its factorization.

20120664215246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437190301098.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 20120664215246 in words is "twenty trillion, one hundred twenty billion, six hundred sixty-four million, two hundred fifteen thousand, two hundred forty-six".