110190420 has 36 divisors (see below), whose sum is σ = 334244820. Its totient is φ = 29384064.

The previous prime is 110190373. The next prime is 110190433. The reversal of 110190420 is 24091011.

It can be written as a sum of positive squares in 2 ways, for example, as 34082244 + 76108176 = 5838^2 + 8724^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 110190393 and 110190402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305905 + ... + 306264.

Almost surely, 2^110190420 is an apocalyptic number.

110190420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110190420 is an abundant number, since it is smaller than the sum of its proper divisors (224054400).

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

110190420 is a wasteful number, since it uses less digits than its factorization.

110190420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612184 (or 612179 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 110190420 is about 10497.1624737355. The cubic root of 110190420 is about 479.4183057677.

The spelling of 110190420 in words is "one hundred ten million, one hundred ninety thousand, four hundred twenty".