20196000 has 384 divisors, whose sum is σ = 84913920. Its totient is φ = 4608000.

The previous prime is 20195971. The next prime is 20196049. The reversal of 20196000 is 69102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1187992 + ... + 1188008.

It is an arithmetic number, because the mean of its divisors is an integer number (221130).

Almost surely, 2^20196000 is an apocalyptic number.

20196000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20196000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42456960).

20196000 is an abundant number, since it is smaller than the sum of its proper divisors (64717920).

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

20196000 is a wasteful number, since it uses less digits than its factorization.

20196000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 20196000 is about 4493.9959946578. The cubic root of 20196000 is about 272.3255904970.

The spelling of 20196000 in words is "twenty million, one hundred ninety-six thousand".