1220014900 has 72 divisors (see below), whose sum is σ = 2862427904. Its totient is φ = 448675200.

The previous prime is 1220014853. The next prime is 1220014907. The reversal of 1220014900 is 94100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220014907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350569 + ... + 354031.

Almost surely, 2^1220014900 is an apocalyptic number.

1220014900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220014900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431213952).

1220014900 is an abundant number, since it is smaller than the sum of its proper divisors (1642413004).

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

1220014900 is a wasteful number, since it uses less digits than its factorization.

1220014900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761 (or 3754 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1220014900 is about 34928.7116853743. The cubic root of 1220014900 is about 1068.5340801566.

The spelling of 1220014900 in words is "one billion, two hundred twenty million, fourteen thousand, nine hundred".