20415464443233 has 12 divisors (see below), whose sum is σ = 29490691726548. Its totient is φ = 13609530768480.

The previous prime is 20415464443217. The next prime is 20415464443301. The reversal of 20415464443233 is 33234446451402.

20415464443233 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 546 + 4 + 44 + 32 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12020033528064 + 8395430915169 = 3466992^2 + 2897487^2 .

It is not a de Polignac number, because 20415464443233 - 2⁴ = 20415464443217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20415464543233) 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 11 ways as a sum of consecutive naturals, for example, 64738998 + ... + 65053583.

It is an arithmetic number, because the mean of its divisors is an integer number (2457557643879).

Almost surely, 2^{20415464443233} is an apocalyptic number.

It is an amenable number.

20415464443233 is a deficient number, since it is larger than the sum of its proper divisors (9075227283315).

20415464443233 is a wasteful number, since it uses less digits than its factorization.

20415464443233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129810064 (or 129810061 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 45.

The spelling of 20415464443233 in words is "twenty trillion, four hundred fifteen billion, four hundred sixty-four million, four hundred forty-three thousand, two hundred thirty-three".