1220046152 has 24 divisors (see below), whose sum is σ = 2477093490. Its totient is φ = 563097600.

The previous prime is 1220046131. The next prime is 1220046187. The reversal of 1220046152 is 2516400221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 256192036 + 963854116 = 16006^2 + 31046^2 .

It is a super-2 number, since 2×1220046152² = 2977025226020014208, which contains 22 as substring.

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, 449849 + ... + 452552.

Almost surely, 2^1220046152 is an apocalyptic number.

It is an amenable number.

1220046152 is an abundant number, since it is smaller than the sum of its proper divisors (1257047338).

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

1220046152 is a wasteful number, since it uses less digits than its factorization.

1220046152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902433 (or 902416 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1220046152 is about 34929.1590508561. The cubic root of 1220046152 is about 1068.5432039637.

Adding to 1220046152 its reverse (2516400221), we get a palindrome (3736446373).

The spelling of 1220046152 in words is "one billion, two hundred twenty million, forty-six thousand, one hundred fifty-two".