20465112498 has 16 divisors (see below), whose sum is σ = 41060996256. Its totient is φ = 6799908960.

The previous prime is 20465112497. The next prime is 20465112509. The reversal of 20465112498 is 89421156402.

It is not an unprimeable number, because it can be changed into a prime (20465112497) by changing a digit.

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, 5446768 + ... + 5450523.

It is an arithmetic number, because the mean of its divisors is an integer number (2566312266).

Almost surely, 2^20465112498 is an apocalyptic number.

20465112498 is an abundant number, since it is smaller than the sum of its proper divisors (20595883758).

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

20465112498 is a wasteful number, since it uses less digits than its factorization.

20465112498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897609.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 20465112498 in words is "twenty billion, four hundred sixty-five million, one hundred twelve thousand, four hundred ninety-eight".