10055220 has 96 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 2264064.

The previous prime is 10055219. The next prime is 10055263. The reversal of 10055220 is 2255001.

10055220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10055220² = 202214898496800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10055220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37246 + ... + 37514.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^10055220 is an apocalyptic number.

10055220 is a gapful number since it is divisible by the number (10) 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 10055220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16329600).

10055220 is an abundant number, since it is smaller than the sum of its proper divisors (22603980).

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

10055220 is a wasteful number, since it uses less digits than its factorization.

10055220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 10055220 is about 3170.9966887400. The cubic root of 10055220 is about 215.8393009121.

The spelling of 10055220 in words is "ten million, fifty-five thousand, two hundred twenty".