10351220 has 24 divisors (see below), whose sum is σ = 23714208. Its totient is φ = 3764000.

The previous prime is 10351217. The next prime is 10351259. The reversal of 10351220 is 2215301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10351195 and 10351204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23306 + ... + 23745.

It is an arithmetic number, because the mean of its divisors is an integer number (988092).

Almost surely, 2^10351220 is an apocalyptic number.

10351220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10351220 is an abundant number, since it is smaller than the sum of its proper divisors (13362988).

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

10351220 is a wasteful number, since it uses less digits than its factorization.

10351220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47071 (or 47069 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 10351220 is about 3217.3311921529. The cubic root of 10351220 is about 217.9367714955.

Adding to 10351220 its reverse (2215301), we get a palindrome (12566521).

The spelling of 10351220 in words is "ten million, three hundred fifty-one thousand, two hundred twenty".