20195892 has 60 divisors (see below), whose sum is σ = 53503296. Its totient is φ = 6642000.

The previous prime is 20195891. The next prime is 20195893. The reversal of 20195892 is 29859102.

It is an interprime number because it is at equal distance from previous prime (20195891) and next prime (20195893).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20195891) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26517 + ... + 27267.

Almost surely, 2^20195892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20195892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26751648).

20195892 is an abundant number, since it is smaller than the sum of its proper divisors (33307404).

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

20195892 is a wasteful number, since it uses less digits than its factorization.

20195892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 20195892 is about 4493.9839786096. The cubic root of 20195892 is about 272.3251050673.

The spelling of 20195892 in words is "twenty million, one hundred ninety-five thousand, eight hundred ninety-two".