20258150 has 24 divisors (see below), whose sum is σ = 41106744. Its totient is φ = 7366400.

The previous prime is 20258149. The next prime is 20258171. The reversal of 20258150 is 5185202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17867 + ... + 18966.

It is an arithmetic number, because the mean of its divisors is an integer number (1712781).

Almost surely, 2^20258150 is an apocalyptic number.

20258150 is an abundant number, since it is smaller than the sum of its proper divisors (20848594).

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

20258150 is a wasteful number, since it uses less digits than its factorization.

20258150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36856 (or 36851 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 20258150 is about 4500.9054644593. The cubic root of 20258150 is about 272.6046507680.

The spelling of 20258150 in words is "twenty million, two hundred fifty-eight thousand, one hundred fifty".