20300612 has 6 divisors (see below), whose sum is σ = 35526078. Its totient is φ = 10150304.

The previous prime is 20300611. The next prime is 20300627. The reversal of 20300612 is 21600302.

It can be written as a sum of positive squares in only one way, i.e., 19483396 + 817216 = 4414^2 + 904^2 .

It is a super-2 number, since 2×20300612² = 824229695149088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20300611) 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 as a sum of consecutive naturals, namely, 2537573 + ... + 2537580.

It is an arithmetic number, because the mean of its divisors is an integer number (5921013).

Almost surely, 2^20300612 is an apocalyptic number.

It is an amenable number.

20300612 is a deficient number, since it is larger than the sum of its proper divisors (15225466).

20300612 is a wasteful number, since it uses less digits than its factorization.

20300612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075157 (or 5075155 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 20300612 is about 4505.6200461202. The cubic root of 20300612 is about 272.7949817477.

Adding to 20300612 its reverse (21600302), we get a palindrome (41900914).

The spelling of 20300612 in words is "twenty million, three hundred thousand, six hundred twelve".