20000299969 has 4 divisors (see below), whose sum is σ = 21538784596. Its totient is φ = 18461815344.

The previous prime is 20000299951. The next prime is 20000300009. The reversal of 20000299969 is 96999200002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5669337025 + 14330962944 = 75295^2 + 119712^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000299969 - 2¹³ = 20000291777 is a prime.

It is a super-2 number, since 2×20000299969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000299169) 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, 769242294 + ... + 769242319.

It is an arithmetic number, because the mean of its divisors is an integer number (5384696149).

Almost surely, 2^20000299969 is an apocalyptic number.

It is an amenable number.

20000299969 is a deficient number, since it is larger than the sum of its proper divisors (1538484627).

20000299969 is a wasteful number, since it uses less digits than its factorization.

20000299969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538484626.

The product of its (nonzero) digits is 157464, while the sum is 46.

The spelling of 20000299969 in words is "twenty billion, two hundred ninety-nine thousand, nine hundred sixty-nine".