20300229 has 6 divisors (see below), whose sum is σ = 29322566. Its totient is φ = 13533480.

The previous prime is 20300201. The next prime is 20300233. The reversal of 20300229 is 92200302.

It can be written as a sum of positive squares in only one way, i.e., 18404100 + 1896129 = 4290^2 + 1377^2 .

It is not a de Polignac number, because 20300229 - 2⁷ = 20300101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1127782 + ... + 1127799.

Almost surely, 2^20300229 is an apocalyptic number.

It is an amenable number.

20300229 is a deficient number, since it is larger than the sum of its proper divisors (9022337).

20300229 is a wasteful number, since it uses less digits than its factorization.

20300229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255587 (or 2255584 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 20300229 is about 4505.5775434455. The cubic root of 20300229 is about 272.7932661814.

The spelling of 20300229 in words is "twenty million, three hundred thousand, two hundred twenty-nine".