20456150 has 48 divisors (see below), whose sum is σ = 44715888. Its totient is φ = 6864000.

The previous prime is 20456143. The next prime is 20456197. The reversal of 20456150 is 5165402.

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, 5720 + ... + 8580.

It is an arithmetic number, because the mean of its divisors is an integer number (931581).

Almost surely, 2^20456150 is an apocalyptic number.

20456150 is an abundant number, since it is smaller than the sum of its proper divisors (24259738).

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

20456150 is a wasteful number, since it uses less digits than its factorization.

20456150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 20456150 is about 4522.8475543622. The cubic root of 20456150 is about 273.4899046770.

The spelling of 20456150 in words is "twenty million, four hundred fifty-six thousand, one hundred fifty".