20533303330 has 32 divisors (see below), whose sum is σ = 37579791168. Its totient is φ = 8075678400.

The previous prime is 20533303327. The next prime is 20533303331. The reversal of 20533303330 is 3330333502.

It is a junction number, because it is equal to n+sod(n) for n = 20533303295 and 20533303304.

It is not an unprimeable number, because it can be changed into a prime (20533303331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2393629 + ... + 2402191.

It is an arithmetic number, because the mean of its divisors is an integer number (1174368474).

Almost surely, 2^20533303330 is an apocalyptic number.

20533303330 is a deficient number, since it is larger than the sum of its proper divisors (17046487838).

20533303330 is a wasteful number, since it uses less digits than its factorization.

20533303330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12562.

The product of its (nonzero) digits is 7290, while the sum is 25.

Adding to 20533303330 its reverse (3330333502), we get a palindrome (23863636832).

The spelling of 20533303330 in words is "twenty billion, five hundred thirty-three million, three hundred three thousand, three hundred thirty".