20300046 has 32 divisors (see below), whose sum is σ = 43914528. Its totient is φ = 6218880.

The previous prime is 20300041. The next prime is 20300081. The reversal of 20300046 is 64000302.

It is a junction number, because it is equal to n+sod(n) for n = 20299998 and 20300034.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24316 + ... + 25136.

It is an arithmetic number, because the mean of its divisors is an integer number (1372329).

Almost surely, 2^20300046 is an apocalyptic number.

20300046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20300046 is an abundant number, since it is smaller than the sum of its proper divisors (23614482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20300046 is a wasteful number, since it uses less digits than its factorization.

20300046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20300046 is about 4505.5572352374. The cubic root of 20300046 is about 272.7924464646.

Adding to 20300046 its reverse (64000302), we get a palindrome (84300348).

The spelling of 20300046 in words is "twenty million, three hundred thousand, forty-six".