20483190 has 192 divisors, whose sum is σ = 68245632. Its totient is φ = 4147200.

The previous prime is 20483189. The next prime is 20483191. The reversal of 20483190 is 9138402.

It is an interprime number because it is at equal distance from previous prime (20483189) and next prime (20483191).

It is a super-2 number, since 2×20483190² = 839122145152200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20483191) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 335760 + ... + 335820.

It is an arithmetic number, because the mean of its divisors is an integer number (355446).

Almost surely, 2^20483190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20483190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34122816).

20483190 is an abundant number, since it is smaller than the sum of its proper divisors (47762442).

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

20483190 is a wasteful number, since it uses less digits than its factorization.

20483190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 20483190 is about 4525.8358344067. The cubic root of 20483190 is about 273.6103559997.

The spelling of 20483190 in words is "twenty million, four hundred eighty-three thousand, one hundred ninety".