20433334321000 has 32 divisors (see below), whose sum is σ = 47814002313480. Its totient is φ = 8173333728000.

The previous prime is 20433334320979. The next prime is 20433334321087. The reversal of 20433334321000 is 12343333402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2435054137156 + 17998280183844 = 1560466^2 + 4242438^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20433334321000.

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, 10216666161 + ... + 10216668160.

Almost surely, 2^{20433334321000} is an apocalyptic number.

20433334321000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20433334321000 is an abundant number, since it is smaller than the sum of its proper divisors (27380667992480).

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

20433334321000 is a wasteful number, since it uses less digits than its factorization.

20433334321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20433334342 (or 20433334328 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20433334321000 its reverse (12343333402), we get a palindrome (20445677654402).

The spelling of 20433334321000 in words is "twenty trillion, four hundred thirty-three billion, three hundred thirty-four million, three hundred twenty-one thousand".