20192000 has 72 divisors (see below), whose sum is σ = 50380512. Its totient is φ = 8064000.

The previous prime is 20191987. The next prime is 20192023. The reversal of 20192000 is 29102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31685 + ... + 32315.

Almost surely, 2^20192000 is an apocalyptic number.

20192000 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 20192000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25190256).

20192000 is an abundant number, since it is smaller than the sum of its proper divisors (30188512).

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

20192000 is an frugal number, since it uses more digits than its factorization.

20192000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 20192000 is about 4493.5509343948. The cubic root of 20192000 is about 272.3076104633.

The spelling of 20192000 in words is "twenty million, one hundred ninety-two thousand".