20468250 has 96 divisors (see below), whose sum is σ = 60450624. Its totient is φ = 4956000.

The previous prime is 20468237. The next prime is 20468281. The reversal of 20468250 is 5286402.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24337 + ... + 25163.

It is an arithmetic number, because the mean of its divisors is an integer number (629694).

Almost surely, 2^20468250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20468250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30225312).

20468250 is an abundant number, since it is smaller than the sum of its proper divisors (39982374).

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

20468250 is a wasteful number, since it uses less digits than its factorization.

20468250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 20468250 is about 4524.1850094796. The cubic root of 20468250 is about 273.5438179758.

It can be divided in two parts, 2046 and 8250, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 20468250 in words is "twenty million, four hundred sixty-eight thousand, two hundred fifty".