20153105033 has 2 divisors, whose sum is σ = 20153105034. Its totient is φ = 20153105032.

The previous prime is 20153104999. The next prime is 20153105047. The reversal of 20153105033 is 33050135102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17101315984 + 3051789049 = 130772^2 + 55243^2 .

It is a cyclic number.

It is not a de Polignac number, because 20153105033 - 2¹⁸ = 20152842889 is a prime.

It is a super-2 number, since 2×20153105033² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20153105233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076552516 + 10076552517.

It is an arithmetic number, because the mean of its divisors is an integer number (10076552517).

Almost surely, 2^20153105033 is an apocalyptic number.

It is an amenable number.

20153105033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153105033 is an equidigital number, since it uses as much as digits as its factorization.

20153105033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 23.

The spelling of 20153105033 in words is "twenty billion, one hundred fifty-three million, one hundred five thousand, thirty-three".