1220003010 has 48 divisors (see below), whose sum is σ = 3215477304. Its totient is φ = 320875776.

The previous prime is 1220002999. The next prime is 1220003023. The reversal of 1220003010 is 103000221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1184254569 + 35748441 = 34413^2 + 5979^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1220002983 and 1220003001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86277 + ... + 99416.

Almost surely, 2^1220003010 is an apocalyptic number.

1220003010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220003010 is an abundant number, since it is smaller than the sum of its proper divisors (1995474294).

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

1220003010 is a wasteful number, since it uses less digits than its factorization.

1220003010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185779 (or 185776 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1220003010 is about 34928.5414811440. The cubic root of 1220003010 is about 1068.5306089117.

Adding to 1220003010 its reverse (103000221), we get a palindrome (1323003231).

The spelling of 1220003010 in words is "one billion, two hundred twenty million, three thousand, ten".