20412233345155 has 8 divisors (see below), whose sum is σ = 24494955039792. Its totient is φ = 16329603325728.

The previous prime is 20412233345131. The next prime is 20412233345171. The reversal of 20412233345155 is 55154333221402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20412233345155 - 2¹¹ = 20412233343107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22427997 + ... + 23320366.

It is an arithmetic number, because the mean of its divisors is an integer number (3061869379974).

Almost surely, 2^{20412233345155} is an apocalyptic number.

20412233345155 is a deficient number, since it is larger than the sum of its proper divisors (4082721694637).

20412233345155 is an equidigital number, since it uses as much as digits as its factorization.

20412233345155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45837605.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 20412233345155 its reverse (55154333221402), we get a palindrome (75566566566557).

The spelling of 20412233345155 in words is "twenty trillion, four hundred twelve billion, two hundred thirty-three million, three hundred forty-five thousand, one hundred fifty-five".