20158350 has 48 divisors (see below), whose sum is σ = 52175232. Its totient is φ = 5140960.

The previous prime is 20158337. The next prime is 20158363. The reversal of 20158350 is 5385102.

It is an interprime number because it is at equal distance from previous prime (20158337) and next prime (20158363).

It is a self number, because there is not a number n which added to its sum of digits gives 20158350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529 + ... + 6371.

It is an arithmetic number, because the mean of its divisors is an integer number (1086984).

Almost surely, 2^20158350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20158350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26087616).

20158350 is an abundant number, since it is smaller than the sum of its proper divisors (32016882).

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

20158350 is a wasteful number, since it uses less digits than its factorization.

20158350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5881 (or 5876 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 20158350 is about 4489.8051182652. The cubic root of 20158350 is about 272.1562593350.

The spelling of 20158350 in words is "twenty million, one hundred fifty-eight thousand, three hundred fifty".