1220650010 has 8 divisors (see below), whose sum is σ = 2197170036. Its totient is φ = 488260000.

The previous prime is 1220650007. The next prime is 1220650061. The reversal of 1220650010 is 100560221.

It can be written as a sum of positive squares in 2 ways, for example, as 1058265961 + 162384049 = 32531^2 + 12743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 61032491 + ... + 61032510.

Almost surely, 2^1220650010 is an apocalyptic number.

1220650010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220650010 is a deficient number, since it is larger than the sum of its proper divisors (976520026).

1220650010 is a wasteful number, since it uses less digits than its factorization.

1220650010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122065008.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1220650010 is about 34937.8020201615. The cubic root of 1220650010 is about 1068.7194655845.

The spelling of 1220650010 in words is "one billion, two hundred twenty million, six hundred fifty thousand, ten".