20202020369 has 4 divisors (see below), whose sum is σ = 20202569280. Its totient is φ = 20201471460.

The previous prime is 20202020327. The next prime is 20202020459. The reversal of 20202020369 is 96302020202.

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: 96302020202 = 2 ⋅48151010101.

It is a cyclic number.

It is not a de Polignac number, because 20202020369 - 2¹⁶ = 20201954833 is a prime.

It is a super-2 number, since 2×20202020369² (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 (20202220369) 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, 214949 + ... + 294290.

It is an arithmetic number, because the mean of its divisors is an integer number (5050642320).

Almost surely, 2^20202020369 is an apocalyptic number.

It is an amenable number.

20202020369 is a deficient number, since it is larger than the sum of its proper divisors (548911).

20202020369 is an equidigital number, since it uses as much as digits as its factorization.

20202020369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548910.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 20202020369 in words is "twenty billion, two hundred two million, twenty thousand, three hundred sixty-nine".