1220051310 has 32 divisors (see below), whose sum is σ = 2947525632. Its totient is φ = 323191200.

The previous prime is 1220051303. The next prime is 1220051317. The reversal of 1220051310 is 131500221.

It is an interprime number because it is at equal distance from previous prime (1220051303) and next prime (1220051317).

It is a super-2 number, since 2×1220051310² = 2977050398065432200, 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 1220051310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220051317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130134 + ... + 139193.

It is an arithmetic number, because the mean of its divisors is an integer number (92110176).

Almost surely, 2^1220051310 is an apocalyptic number.

1220051310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220051310 is an abundant number, since it is smaller than the sum of its proper divisors (1727474322).

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

1220051310 is a wasteful number, since it uses less digits than its factorization.

1220051310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269488.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1220051310 is about 34929.2328859367. The cubic root of 1220051310 is about 1068.5447097915.

Adding to 1220051310 its reverse (131500221), we get a palindrome (1351551531).

The spelling of 1220051310 in words is "one billion, two hundred twenty million, fifty-one thousand, three hundred ten".