20301000233 has 2 divisors, whose sum is σ = 20301000234. Its totient is φ = 20301000232.

The previous prime is 20301000151. The next prime is 20301000253. The reversal of 20301000233 is 33200010302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19991697664 + 309302569 = 141392^2 + 17587^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301000233 - 2¹² = 20300996137 is a prime.

It is a super-2 number, since 2×20301000233² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20301000253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150500116 + 10150500117.

It is an arithmetic number, because the mean of its divisors is an integer number (10150500117).

Almost surely, 2^20301000233 is an apocalyptic number.

It is an amenable number.

20301000233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301000233 is an equidigital number, since it uses as much as digits as its factorization.

20301000233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20301000233 its reverse (33200010302), we get a palindrome (53501010535).

The spelling of 20301000233 in words is "twenty billion, three hundred one million, two hundred thirty-three", and thus it is an aban number.