20415433224 has 64 divisors (see below), whose sum is σ = 52892352000. Its totient is φ = 6558809600.

The previous prime is 20415433219. The next prime is 20415433249. The reversal of 20415433224 is 42233451402.

It is a junction number, because it is equal to n+sod(n) for n = 20415433191 and 20415433200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370249 + ... + 421799.

It is an arithmetic number, because the mean of its divisors is an integer number (826443000).

Almost surely, 2^20415433224 is an apocalyptic number.

20415433224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20415433224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26446176000).

20415433224 is an abundant number, since it is smaller than the sum of its proper divisors (32476918776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20415433224 is a wasteful number, since it uses less digits than its factorization.

20415433224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52158 (or 52154 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 20415433224 its reverse (42233451402), we get a palindrome (62648884626).

The spelling of 20415433224 in words is "twenty billion, four hundred fifteen million, four hundred thirty-three thousand, two hundred twenty-four".