20336369 has 16 divisors (see below), whose sum is σ = 22317120. Its totient is φ = 18455040.

The previous prime is 20336359. The next prime is 20336387. The reversal of 20336369 is 96363302.

It is a cyclic number.

It is not a de Polignac number, because 20336369 - 2⁴ = 20336353 is a prime.

It is a super-2 number, since 2×20336369² = 827135808208322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20336359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113522 + ... + 113700.

It is an arithmetic number, because the mean of its divisors is an integer number (1394820).

Almost surely, 2^20336369 is an apocalyptic number.

It is an amenable number.

20336369 is a deficient number, since it is larger than the sum of its proper divisors (1980751).

20336369 is a wasteful number, since it uses less digits than its factorization.

20336369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400.

The product of its (nonzero) digits is 17496, while the sum is 32.

The square root of 20336369 is about 4509.5863446662. The cubic root of 20336369 is about 272.9550525992.

The spelling of 20336369 in words is "twenty million, three hundred thirty-six thousand, three hundred sixty-nine".