1202432220 has 288 divisors, whose sum is σ = 4220536320. Its totient is φ = 274337280.

The previous prime is 1202432173. The next prime is 1202432237. The reversal of 1202432220 is 222342021.

1202432220 is a `hidden beast` number, since 12 + 0 + 2 + 432 + 220 = 666.

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 = 1202432193 and 1202432202.

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 95 ways as a sum of consecutive naturals, for example, 2468817 + ... + 2469303.

It is an arithmetic number, because the mean of its divisors is an integer number (14654640).

Almost surely, 2^1202432220 is an apocalyptic number.

1202432220 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 1202432220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110268160).

1202432220 is an abundant number, since it is smaller than the sum of its proper divisors (3018104100).

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

1202432220 is a wasteful number, since it uses less digits than its factorization.

1202432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1202432220 is about 34676.1044524900. The cubic root of 1202432220 is about 1063.3760345095.

Adding to 1202432220 its reverse (222342021), we get a palindrome (1424774241).

It can be divided in two parts, 12024 and 32220, that added together give a palindrome (44244).

The spelling of 1202432220 in words is "one billion, two hundred two million, four hundred thirty-two thousand, two hundred twenty".