1220762032 has 40 divisors (see below), whose sum is σ = 2710342400. Its totient is φ = 521785152.

The previous prime is 1220762021. The next prime is 1220762033. The reversal of 1220762032 is 2302670221.

It is a junction number, because it is equal to n+sod(n) for n = 1220761988 and 1220762006.

It is not an unprimeable number, because it can be changed into a prime (1220762033) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28069 + ... + 56827.

It is an arithmetic number, because the mean of its divisors is an integer number (67758560).

Almost surely, 2^1220762032 is an apocalyptic number.

It is an amenable number.

1220762032 is an abundant number, since it is smaller than the sum of its proper divisors (1489580368).

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

1220762032 is a wasteful number, since it uses less digits than its factorization.

1220762032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29153 (or 29147 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1220762032 is about 34939.4051466249. The cubic root of 1220762032 is about 1068.7521575735.

The spelling of 1220762032 in words is "one billion, two hundred twenty million, seven hundred sixty-two thousand, thirty-two".