1920186112 has 54 divisors (see below), whose sum is σ = 4150480992. Its totient is φ = 886219776.

The previous prime is 1920186067. The next prime is 1920186127. The reversal of 1920186112 is 2116810291.

It is a happy number.

It is a super-2 number, since 2×1920186112² = 7374229409435353088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21073 + ... + 65455.

Almost surely, 2^1920186112 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 1920186112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2075240496).

1920186112 is an abundant number, since it is smaller than the sum of its proper divisors (2230294880).

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

1920186112 is an equidigital number, since it uses as much as digits as its factorization.

1920186112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44425 (or 44398 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 1920186112 is about 43819.9282518810. The cubic root of 1920186112 is about 1242.9331603379.

The spelling of 1920186112 in words is "one billion, nine hundred twenty million, one hundred eighty-six thousand, one hundred twelve".