20412150 has 96 divisors (see below), whose sum is σ = 56246400. Its totient is φ = 4857600.

The previous prime is 20412149. The next prime is 20412151. The reversal of 20412150 is 5121402.

It is an interprime number because it is at equal distance from previous prime (20412149) and next prime (20412151).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146781 + ... + 146919.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^20412150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20412150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28123200).

20412150 is an abundant number, since it is smaller than the sum of its proper divisors (35834250).

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

20412150 is a wasteful number, since it uses less digits than its factorization.

20412150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 20412150 is about 4517.9807436509. The cubic root of 20412150 is about 273.2936769092.

Adding to 20412150 its reverse (5121402), we get a palindrome (25533552).

The spelling of 20412150 in words is "twenty million, four hundred twelve thousand, one hundred fifty".