20033253973 has 2 divisors, whose sum is σ = 20033253974. Its totient is φ = 20033253972.

The previous prime is 20033253967. The next prime is 20033253979. The reversal of 20033253973 is 37935233002.

It is a balanced prime because it is at equal distance from previous prime (20033253967) and next prime (20033253979).

It can be written as a sum of positive squares in only one way, i.e., 13423076164 + 6610177809 = 115858^2 + 81303^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033253973 - 2²⁵ = 19999699541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20033253979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016626986 + 10016626987.

It is an arithmetic number, because the mean of its divisors is an integer number (10016626987).

Almost surely, 2^20033253973 is an apocalyptic number.

It is an amenable number.

20033253973 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033253973 is an equidigital number, since it uses as much as digits as its factorization.

20033253973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 37.

Adding to 20033253973 its reverse (37935233002), we get a palindrome (57968486975).

The spelling of 20033253973 in words is "twenty billion, thirty-three million, two hundred fifty-three thousand, nine hundred seventy-three".