1220331010 has 32 divisors (see below), whose sum is σ = 2296138752. Its totient is φ = 466086720.

The previous prime is 1220331001. The next prime is 1220331017. The reversal of 1220331010 is 101330221.

It is not an unprimeable number, because it can be changed into a prime (1220331017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135240 + ... + 143980.

It is an arithmetic number, because the mean of its divisors is an integer number (71754336).

Almost surely, 2^1220331010 is an apocalyptic number.

1220331010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220331010 is a deficient number, since it is larger than the sum of its proper divisors (1075807742).

1220331010 is a wasteful number, since it uses less digits than its factorization.

1220331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9378.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1220331010 is about 34933.2364661507. The cubic root of 1220331010 is about 1068.6263591223.

Adding to 1220331010 its reverse (101330221), we get a palindrome (1321661231).

The spelling of 1220331010 in words is "one billion, two hundred twenty million, three hundred thirty-one thousand, ten".