20033850313 has 2 divisors, whose sum is σ = 20033850314. Its totient is φ = 20033850312.

The previous prime is 20033850257. The next prime is 20033850359. The reversal of 20033850313 is 31305833002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10562083984 + 9471766329 = 102772^2 + 97323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20033850313 is a prime.

It is not a weakly prime, because it can be changed into another prime (20031850313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016925156 + 10016925157.

It is an arithmetic number, because the mean of its divisors is an integer number (10016925157).

Almost surely, 2^20033850313 is an apocalyptic number.

It is an amenable number.

20033850313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033850313 is an equidigital number, since it uses as much as digits as its factorization.

20033850313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 20033850313 in words is "twenty billion, thirty-three million, eight hundred fifty thousand, three hundred thirteen".