1220551210 has 32 divisors (see below), whose sum is σ = 2328212160. Its totient is φ = 459109632.

The previous prime is 1220551201. The next prime is 1220551219. The reversal of 1220551210 is 121550221.

It is an interprime number because it is at equal distance from previous prime (1220551201) and next prime (1220551219).

It is not an unprimeable number, because it can be changed into a prime (1220551219) 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, 266157 + ... + 270703.

It is an arithmetic number, because the mean of its divisors is an integer number (72756630).

Almost surely, 2^1220551210 is an apocalyptic number.

1220551210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220551210 is a deficient number, since it is larger than the sum of its proper divisors (1107660950).

1220551210 is a wasteful number, since it uses less digits than its factorization.

1220551210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1220551210 is about 34936.3880502836. The cubic root of 1220551210 is about 1068.6906305837.

The spelling of 1220551210 in words is "one billion, two hundred twenty million, five hundred fifty-one thousand, two hundred ten".