10302220 has 12 divisors (see below), whose sum is σ = 21634704. Its totient is φ = 4120880.

The previous prime is 10302217. The next prime is 10302269. The reversal of 10302220 is 2220301.

It is a super-2 number, since 2×10302220² = 212271473856800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10302197 and 10302206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257536 + ... + 257575.

It is an arithmetic number, because the mean of its divisors is an integer number (1802892).

Almost surely, 2^10302220 is an apocalyptic number.

10302220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10302220 is an abundant number, since it is smaller than the sum of its proper divisors (11332484).

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

10302220 is a wasteful number, since it uses less digits than its factorization.

10302220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515120 (or 515118 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 10302220 is about 3209.7071517508. The cubic root of 10302220 is about 217.5923419937.

Adding to 10302220 its reverse (2220301), we get a palindrome (12522521).

The spelling of 10302220 in words is "ten million, three hundred two thousand, two hundred twenty".