20930299 has 8 divisors (see below), whose sum is σ = 23520672. Its totient is φ = 18480000.

The previous prime is 20930269. The next prime is 20930317. The reversal of 20930299 is 99203902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20930299 - 2⁷ = 20930171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20930209) 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 in 7 ways as a sum of consecutive naturals, for example, 34702 + ... + 35299.

It is an arithmetic number, because the mean of its divisors is an integer number (2940084).

Almost surely, 2^20930299 is an apocalyptic number.

20930299 is a deficient number, since it is larger than the sum of its proper divisors (2590373).

20930299 is a wasteful number, since it uses less digits than its factorization.

20930299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70037.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 20930299 is about 4574.9643714460. The cubic root of 20930299 is about 275.5868415731.

The spelling of 20930299 in words is "twenty million, nine hundred thirty thousand, two hundred ninety-nine".