20324110445465 has 32 divisors (see below), whose sum is σ = 25015180488480. Its totient is φ = 15842794291200.

The previous prime is 20324110445437. The next prime is 20324110445501. The reversal of 20324110445465 is 56454401142302.

It can be written as a sum of positive squares in 16 ways, for example, as 98942809 + 20324011502656 = 9947^2 + 4508216^2 .

It is not a de Polignac number, because 20324110445465 - 2⁸ = 20324110445209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129798691 + ... + 1129816679.

It is an arithmetic number, because the mean of its divisors is an integer number (781724390265).

Almost surely, 2^{20324110445465} is an apocalyptic number.

It is an amenable number.

20324110445465 is a deficient number, since it is larger than the sum of its proper divisors (4691070043015).

20324110445465 is a wasteful number, since it uses less digits than its factorization.

20324110445465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24653.

The product of its (nonzero) digits is 460800, while the sum is 41.

Adding to 20324110445465 its reverse (56454401142302), we get a palindrome (76778511587767).

The spelling of 20324110445465 in words is "twenty trillion, three hundred twenty-four billion, one hundred ten million, four hundred forty-five thousand, four hundred sixty-five".