20200034409 has 4 divisors (see below), whose sum is σ = 26933379216. Its totient is φ = 13466689604.

The previous prime is 20200034383. The next prime is 20200034429. The reversal of 20200034409 is 90443000202.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 20200034409 - 2⁵ = 20200034377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20200034429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3366672399 + ... + 3366672404.

It is an arithmetic number, because the mean of its divisors is an integer number (6733344804).

Almost surely, 2^20200034409 is an apocalyptic number.

It is an amenable number.

20200034409 is a deficient number, since it is larger than the sum of its proper divisors (6733344807).

20200034409 is an equidigital number, since it uses as much as digits as its factorization.

20200034409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733344806.

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 20200034409 in words is "twenty billion, two hundred million, thirty-four thousand, four hundred nine".