30020200109 has 4 divisors (see below), whose sum is σ = 30529017120. Its totient is φ = 29511383100.

The previous prime is 30020200099. The next prime is 30020200129. The reversal of 30020200109 is 90100202003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90100202003 = 7 ⋅12871457429.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020200109 is a prime.

It is a super-2 number, since 2×30020200109² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30020200129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254408417 + ... + 254408534.

It is an arithmetic number, because the mean of its divisors is an integer number (7632254280).

Almost surely, 2^30020200109 is an apocalyptic number.

It is an amenable number.

30020200109 is a deficient number, since it is larger than the sum of its proper divisors (508817011).

30020200109 is an equidigital number, since it uses as much as digits as its factorization.

30020200109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508817010.

The product of its (nonzero) digits is 108, while the sum is 17.

The spelling of 30020200109 in words is "thirty billion, twenty million, two hundred thousand, one hundred nine".