20892150 has 72 divisors (see below), whose sum is σ = 59453784. Its totient is φ = 5241600.

The previous prime is 20892149. The next prime is 20892163. The reversal of 20892150 is 5129802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6285 + ... + 9015.

It is an arithmetic number, because the mean of its divisors is an integer number (825747).

Almost surely, 2^20892150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20892150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29726892).

20892150 is an abundant number, since it is smaller than the sum of its proper divisors (38561634).

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

20892150 is a wasteful number, since it uses less digits than its factorization.

20892150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 20892150 is about 4570.7931478027. The cubic root of 20892150 is about 275.4193052445.

The spelling of 20892150 in words is "twenty million, eight hundred ninety-two thousand, one hundred fifty".