20612150 has 48 divisors (see below), whose sum is σ = 43486800. Its totient is φ = 7205760.

The previous prime is 20612149. The next prime is 20612167. The reversal of 20612150 is 5121602.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 11516 + ... + 13184.

It is an arithmetic number, because the mean of its divisors is an integer number (905975).

Almost surely, 2^20612150 is an apocalyptic number.

20612150 is an abundant number, since it is smaller than the sum of its proper divisors (22874650).

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

20612150 is a wasteful number, since it uses less digits than its factorization.

20612150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20612150 is about 4540.0605722831. The cubic root of 20612150 is about 274.1833624448.

Adding to 20612150 its reverse (5121602), we get a palindrome (25733752).

The spelling of 20612150 in words is "twenty million, six hundred twelve thousand, one hundred fifty".