20433432323304 has 640 divisors, whose sum is σ = 76872107854080. Its totient is φ = 4897312358400.

The previous prime is 20433432323303. The next prime is 20433432323323. The reversal of 20433432323304 is 40332323433402.

20433432323304 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 3 + 4 + 323 + 23 + 304 = 666.

It is a super-2 number, since 2×20433432323304² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20433432323303) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2763885432 + ... + 2763892824.

It is an arithmetic number, because the mean of its divisors is an integer number (120112668522).

Almost surely, 2^{20433432323304} is an apocalyptic number.

20433432323304 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 20433432323304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38436053927040).

20433432323304 is an abundant number, since it is smaller than the sum of its proper divisors (56438675530776).

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

20433432323304 is a wasteful number, since it uses less digits than its factorization.

20433432323304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703 (or 11690 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 36.

Adding to 20433432323304 its reverse (40332323433402), we get a palindrome (60765755756706).

The spelling of 20433432323304 in words is "twenty trillion, four hundred thirty-three billion, four hundred thirty-two million, three hundred twenty-three thousand, three hundred four".