20361430 has 8 divisors (see below), whose sum is σ = 36650592. Its totient is φ = 8144568.

The previous prime is 20361421. The next prime is 20361437. The reversal of 20361430 is 3416302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×20361430³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20361398 and 20361407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20361437) 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, 1018062 + ... + 1018081.

It is an arithmetic number, because the mean of its divisors is an integer number (4581324).

Almost surely, 2^20361430 is an apocalyptic number.

20361430 is a deficient number, since it is larger than the sum of its proper divisors (16289162).

20361430 is a wasteful number, since it uses less digits than its factorization.

20361430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036150.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 20361430 is about 4512.3641253782. The cubic root of 20361430 is about 273.0671296138.

Adding to 20361430 its reverse (3416302), we get a palindrome (23777732).

The spelling of 20361430 in words is "twenty million, three hundred sixty-one thousand, four hundred thirty".