1220453352 has 64 divisors (see below), whose sum is σ = 3445761600. Its totient is φ = 400144320.

The previous prime is 1220453323. The next prime is 1220453359. The reversal of 1220453352 is 2533540221.

It is a happy number.

1220453352 is a `hidden beast` number, since 122 + 0 + 4 + 533 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1220453359) 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, 33138 + ... + 59489.

It is an arithmetic number, because the mean of its divisors is an integer number (53840025).

Almost surely, 2^1220453352 is an apocalyptic number.

1220453352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1220453352 is an abundant number, since it is smaller than the sum of its proper divisors (2225308248).

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

1220453352 is a wasteful number, since it uses less digits than its factorization.

1220453352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92703 (or 92693 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1220453352 is about 34934.9875053649. The cubic root of 1220453352 is about 1068.6620689738.

Adding to 1220453352 its reverse (2533540221), we get a palindrome (3753993573).

It can be divided in two parts, 12204 and 53352, that added together give a palindrome (65556).

The spelling of 1220453352 in words is "one billion, two hundred twenty million, four hundred fifty-three thousand, three hundred fifty-two".