20153299 has 2 divisors, whose sum is σ = 20153300. Its totient is φ = 20153298.

The previous prime is 20153291. The next prime is 20153321. The reversal of 20153299 is 99235102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20153299 - 2³ = 20153291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20153299.

It is not a weakly prime, because it can be changed into another prime (20153291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076649 + 10076650.

It is an arithmetic number, because the mean of its divisors is an integer number (10076650).

Almost surely, 2^20153299 is an apocalyptic number.

20153299 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153299 is an equidigital number, since it uses as much as digits as its factorization.

20153299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 20153299 is about 4489.2425864504. The cubic root of 20153299 is about 272.1335263882.

The spelling of 20153299 in words is "twenty million, one hundred fifty-three thousand, two hundred ninety-nine".