20236045461512 has 64 divisors (see below), whose sum is σ = 39629785852800. Its totient is φ = 9668940019200.

The previous prime is 20236045461481. The next prime is 20236045461551. The reversal of 20236045461512 is 21516454063202.

It is a super-2 number, since 2×20236045461512² (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 20236045461512.

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 15 ways as a sum of consecutive naturals, for example, 1525285103 + ... + 1525298369.

It is an arithmetic number, because the mean of its divisors is an integer number (619215403950).

Almost surely, 2^{20236045461512} is an apocalyptic number.

It is an amenable number.

20236045461512 is a deficient number, since it is larger than the sum of its proper divisors (19393740391288).

20236045461512 is a wasteful number, since it uses less digits than its factorization.

20236045461512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20526 (or 20522 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 20236045461512 in words is "twenty trillion, two hundred thirty-six billion, forty-five million, four hundred sixty-one thousand, five hundred twelve".