20133303230020 has 24 divisors (see below), whose sum is σ = 42282599746968. Its totient is φ = 8052814060800.

The previous prime is 20133303229979. The next prime is 20133303230071. The reversal of 20133303230020 is 2003230333102.

It can be written as a sum of positive squares in 4 ways, for example, as 11201190725124 + 8932112504896 = 3346818^2 + 2988664^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20133303229973 and 20133303230000.

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, 31376391 + ... + 32011630.

It is an arithmetic number, because the mean of its divisors is an integer number (1761774989457).

Almost surely, 2^{20133303230020} is an apocalyptic number.

20133303230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133303230020 is an abundant number, since it is smaller than the sum of its proper divisors (22149296516948).

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

20133303230020 is a wasteful number, since it uses less digits than its factorization.

20133303230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63403911 (or 63403909 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 20133303230020 its reverse (2003230333102), we get a palindrome (22136533563122).

The spelling of 20133303230020 in words is "twenty trillion, one hundred thirty-three billion, three hundred three million, two hundred thirty thousand, twenty".