20298369 has 16 divisors (see below), whose sum is σ = 33310592. Its totient is φ = 10706688.

The previous prime is 20298367. The next prime is 20298371. The reversal of 20298369 is 96389202.

It is an interprime number because it is at equal distance from previous prime (20298367) and next prime (20298371).

It is not a de Polignac number, because 20298369 - 2¹ = 20298367 is a prime.

It is a super-2 number, since 2×20298369² = 824047568120322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (20298361) 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, 36904 + ... + 37449.

It is an arithmetic number, because the mean of its divisors is an integer number (2081912).

Almost surely, 2^20298369 is an apocalyptic number.

It is an amenable number.

20298369 is a deficient number, since it is larger than the sum of its proper divisors (13012223).

20298369 is a wasteful number, since it uses less digits than its factorization.

20298369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74376.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 20298369 is about 4505.3711278872. The cubic root of 20298369 is about 272.7849344039.

The spelling of 20298369 in words is "twenty million, two hundred ninety-eight thousand, three hundred sixty-nine".