106555920 has 40 divisors (see below), whose sum is σ = 330324096. Its totient is φ = 28414848.

The previous prime is 106555919. The next prime is 106555927. The reversal of 106555920 is 29555601.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×106555920² = 22708328174092800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106555927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221752 + ... + 222231.

Almost surely, 2^106555920 is an apocalyptic number.

106555920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106555920 is an abundant number, since it is smaller than the sum of its proper divisors (223768176).

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

106555920 is a wasteful number, since it uses less digits than its factorization.

106555920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443999 (or 443993 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 106555920 is about 10322.5926975736. The cubic root of 106555920 is about 474.0882528974.

The spelling of 106555920 in words is "one hundred six million, five hundred fifty-five thousand, nine hundred twenty".