1203332220 has 48 divisors (see below), whose sum is σ = 3743701920. Its totient is φ = 320888448.

The previous prime is 1203332203. The next prime is 1203332237. The reversal of 1203332220 is 222333021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1203332203) and next prime (1203332237).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1203332193 and 1203332202.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1113657 + ... + 1114736.

It is an arithmetic number, because the mean of its divisors is an integer number (77993790).

Almost surely, 2^1203332220 is an apocalyptic number.

1203332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203332220 is an abundant number, since it is smaller than the sum of its proper divisors (2540369700).

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

1203332220 is a wasteful number, since it uses less digits than its factorization.

1203332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228411 (or 2228403 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1203332220 is about 34689.0792613468. The cubic root of 1203332220 is about 1063.6412746172.

Adding to 1203332220 its reverse (222333021), we get a palindrome (1425665241).

It can be divided in two parts, 12033 and 32220, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 1203332220 in words is "one billion, two hundred three million, three hundred thirty-two thousand, two hundred twenty".