20341869 has 4 divisors (see below), whose sum is σ = 27122496. Its totient is φ = 13561244.

The previous prime is 20341861. The next prime is 20341879. The reversal of 20341869 is 96814302.

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 20341869 - 2³ = 20341861 is a prime.

It is a super-2 number, since 2×20341869² = 827583268826322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20341861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3390309 + ... + 3390314.

It is an arithmetic number, because the mean of its divisors is an integer number (6780624).

Almost surely, 2^20341869 is an apocalyptic number.

It is an amenable number.

20341869 is a deficient number, since it is larger than the sum of its proper divisors (6780627).

20341869 is an equidigital number, since it uses as much as digits as its factorization.

20341869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780626.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 20341869 is about 4510.1961154699. The cubic root of 20341869 is about 272.9796574089.

The spelling of 20341869 in words is "twenty million, three hundred forty-one thousand, eight hundred sixty-nine".