20255153 has 2 divisors, whose sum is σ = 20255154. Its totient is φ = 20255152.

The previous prime is 20255117. The next prime is 20255161. The reversal of 20255153 is 35155202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19562929 + 692224 = 4423^2 + 832^2 .

It is a cyclic number.

It is not a de Polignac number, because 20255153 - 2¹⁴ = 20238769 is a prime.

It is a super-3 number, since 3×20255153³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20255173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10127576 + 10127577.

It is an arithmetic number, because the mean of its divisors is an integer number (10127577).

Almost surely, 2^20255153 is an apocalyptic number.

It is an amenable number.

20255153 is a deficient number, since it is larger than the sum of its proper divisors (1).

20255153 is an equidigital number, since it uses as much as digits as its factorization.

20255153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 20255153 is about 4500.5725191358. The cubic root of 20255153 is about 272.5912070193.

It can be divided in two parts, 202 and 55153, that added together give a palindrome (55355).

The spelling of 20255153 in words is "twenty million, two hundred fifty-five thousand, one hundred fifty-three".