20415506003233 has 16 divisors (see below), whose sum is σ = 22410324582336. Its totient is φ = 18443928341440.

The previous prime is 20415506003231. The next prime is 20415506003237. The reversal of 20415506003233 is 33230060551402.

It is a cyclic number.

It is not a de Polignac number, because 20415506003233 - 2¹ = 20415506003231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20415506003231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1787466 + ... + 6635212.

It is an arithmetic number, because the mean of its divisors is an integer number (1400645286396).

Almost surely, 2^{20415506003233} is an apocalyptic number.

It is an amenable number.

20415506003233 is a deficient number, since it is larger than the sum of its proper divisors (1994818579103).

20415506003233 is a wasteful number, since it uses less digits than its factorization.

20415506003233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850144.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 20415506003233 its reverse (33230060551402), we get a palindrome (53645566554635).

The spelling of 20415506003233 in words is "twenty trillion, four hundred fifteen billion, five hundred six million, three thousand, two hundred thirty-three".