20466465317152 has 48 divisors (see below), whose sum is σ = 40341330342432. Its totient is φ = 10221050810880.

The previous prime is 20466465317113. The next prime is 20466465317201. The reversal of 20466465317152 is 25171356466402.

It is a super-2 number, since 2×20466465317152² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20466465317152.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272547003 + ... + 272622085.

It is an arithmetic number, because the mean of its divisors is an integer number (840444382134).

Almost surely, 2^{20466465317152} is an apocalyptic number.

It is an amenable number.

20466465317152 is a deficient number, since it is larger than the sum of its proper divisors (19874865025280).

20466465317152 is an equidigital number, since it uses as much as digits as its factorization.

20466465317152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85121 (or 85113 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 20466465317152 in words is "twenty trillion, four hundred sixty-six billion, four hundred sixty-five million, three hundred seventeen thousand, one hundred fifty-two".