20100021303233 has 2 divisors, whose sum is σ = 20100021303234. Its totient is φ = 20100021303232.

The previous prime is 20100021303217. The next prime is 20100021303281. The reversal of 20100021303233 is 33230312000102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19667876783104 + 432144520129 = 4434848^2 + 657377^2 .

It is a cyclic number.

It is not a de Polignac number, because 20100021303233 - 2⁴ = 20100021303217 is a prime.

It is not a weakly prime, because it can be changed into another prime (20100021303293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050010651616 + 10050010651617.

It is an arithmetic number, because the mean of its divisors is an integer number (10050010651617).

Almost surely, 2^{20100021303233} is an apocalyptic number.

It is an amenable number.

20100021303233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100021303233 is an equidigital number, since it uses as much as digits as its factorization.

20100021303233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20100021303233 its reverse (33230312000102), we get a palindrome (53330333303335).

The spelling of 20100021303233 in words is "twenty trillion, one hundred billion, twenty-one million, three hundred three thousand, two hundred thirty-three".