1220024952 has 24 divisors (see below), whose sum is σ = 3304234440. Its totient is φ = 406674960.

The previous prime is 1220024947. The next prime is 1220024977. The reversal of 1220024952 is 2594200221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 8472324 + ... + 8472467.

It is an arithmetic number, because the mean of its divisors is an integer number (137676435).

Almost surely, 2^1220024952 is an apocalyptic number.

1220024952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220024952 is an abundant number, since it is smaller than the sum of its proper divisors (2084209488).

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

1220024952 is a wasteful number, since it uses less digits than its factorization.

1220024952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16944803 (or 16944796 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1220024952 is about 34928.8555781606. The cubic root of 1220024952 is about 1068.5370147861.

The spelling of 1220024952 in words is "one billion, two hundred twenty million, twenty-four thousand, nine hundred fifty-two".