106198920 has 48 divisors (see below), whose sum is σ = 345147660. Its totient is φ = 28319616.

The previous prime is 106198913. The next prime is 106198921. The reversal of 106198920 is 29891601.

106198920 is a `hidden beast` number, since 10 + 619 + 8 + 9 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 101243844 + 4955076 = 10062^2 + 2226^2 .

It is a super-2 number, since 2×106198920² = 22556421218332800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (106198921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147139 + ... + 147858.

Almost surely, 2^106198920 is an apocalyptic number.

106198920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106198920 is an abundant number, since it is smaller than the sum of its proper divisors (238948740).

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

106198920 is a wasteful number, since it uses less digits than its factorization.

106198920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295014 (or 295007 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 106198920 is about 10305.2860222315. The cubic root of 106198920 is about 473.5582060948.

The spelling of 106198920 in words is "one hundred six million, one hundred ninety-eight thousand, nine hundred twenty".