20153101 has 2 divisors, whose sum is σ = 20153102. Its totient is φ = 20153100.

The previous prime is 20153093. The next prime is 20153117. The reversal of 20153101 is 10135102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12257001 + 7896100 = 3501^2 + 2810^2 .

It is a cyclic number.

It is not a de Polignac number, because 20153101 - 2³ = 20153093 is a prime.

It is a super-2 number, since 2×20153101² = 812294959832402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20153141) 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, 10076550 + 10076551.

It is an arithmetic number, because the mean of its divisors is an integer number (10076551).

Almost surely, 2^20153101 is an apocalyptic number.

It is an amenable number.

20153101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153101 is an equidigital number, since it uses as much as digits as its factorization.

20153101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 20153101 is about 4489.2205336784. The cubic root of 20153101 is about 272.1326351757.

Adding to 20153101 its reverse (10135102), we get a palindrome (30288203).

The spelling of 20153101 in words is "twenty million, one hundred fifty-three thousand, one hundred one".