20153201 has 2 divisors, whose sum is σ = 20153202. Its totient is φ = 20153200.

The previous prime is 20153191. The next prime is 20153207. The reversal of 20153201 is 10235102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17181025 + 2972176 = 4145^2 + 1724^2 .

It is a cyclic number.

It is not a de Polignac number, because 20153201 - 2¹⁰ = 20152177 is a prime.

It is not a weakly prime, because it can be changed into another prime (20153207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076600 + 10076601.

It is an arithmetic number, because the mean of its divisors is an integer number (10076601).

Almost surely, 2^20153201 is an apocalyptic number.

It is an amenable number.

20153201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153201 is an equidigital number, since it uses as much as digits as its factorization.

20153201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 20153201 is about 4489.2316714556. The cubic root of 20153201 is about 272.1330852838.

Adding to 20153201 its reverse (10235102), we get a palindrome (30388303).

The spelling of 20153201 in words is "twenty million, one hundred fifty-three thousand, two hundred one".