20415433223 has 8 divisors (see below), whose sum is σ = 20729812896. Its totient is φ = 20101799200.

The previous prime is 20415433219. The next prime is 20415433249. The reversal of 20415433223 is 32233451402.

It is a happy number.

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 20415433223 - 2² = 20415433219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20415438223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131108 + ... + 240873.

It is an arithmetic number, because the mean of its divisors is an integer number (2591226612).

Almost surely, 2^20415433223 is an apocalyptic number.

20415433223 is a deficient number, since it is larger than the sum of its proper divisors (314379673).

20415433223 is an equidigital number, since it uses as much as digits as its factorization.

20415433223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372825.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 20415433223 its reverse (32233451402), we get a palindrome (52648884625).

The spelling of 20415433223 in words is "twenty billion, four hundred fifteen million, four hundred thirty-three thousand, two hundred twenty-three".